Diagnostic Pathology: Nonneoplastic Dermatopathology-2판

Cover image
Title page
Table of Contents
Copyright
Dedications
Contributing Authors
Image Contributors
Preface
Acknowledgments

Sections
SECTION 1: SPONGIOTIC AND PSORIASIFORM DERMATOSES

Chapter 1: Atopic Dermatitis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 2: Contact Dermatitis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 3: Nummular Eczema
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 4: Asteatotic Eczema
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 5: Dyshidrotic Eczema
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 6: Id Reaction
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 7: Seborrheic Dermatitis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 8: Pityriasis Rosea
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 9: Stasis Dermatitis
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
IMAGING
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 10: Lichen Simplex Chronicus
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 11: Prurigo Nodularis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 12: Frictional Keratosis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 13: Psoriasis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 14: Zoon Balanitis
KEY FACTS
Terminology
Clinical Issues
Macroscopic
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 15: Reactive Arthritis
KEY FACTS
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 16: Parapsoriasis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST

SECTION 2: LICHENOID AND VACUOLAR INTERFACE DERMATOSES
Chapter 17: Lichen Planus
KEY FACTS
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 18: Lichenoid Keratosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 19: Erythema Multiforme and Related Disorders
KEY FACTS
Terminology
Etiology/Pathogenesis
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 20: Pigmented Purpuric Dermatoses
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 21: Lichen Sclerosus et Atrophicus
KEY FACTS
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 22: Graft-vs.-Host Disease
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 23: Pityriasis Lichenoides
KEY FACTS
Terminology
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 24: Pityriasis Rubra Pilaris
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 25: Erythema Dyschromicum Perstans
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 26: Lichen Striatus
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 27: Lichen Nitidus
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 28: Phytophotodermatitis
KEY FACTS
Terminology
Etiology/Pathogenesis
Microscopic
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST

SECTION 3: VESICULOBULLOUS DERMATOSES
Chapter 29: Bullous Pemphigoid
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Macroscopic
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 30: Pemphigus and Variants
KEY FACTS
Etiology/Pathogenesis
Macroscopic
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 31: Dermatitis Herpetiformis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 32: Cicatricial Pemphigoid
KEY FACTS
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 33: Hailey-Hailey Disease
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 34: Epidermolysis Bullosa Acquisita
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Macroscopic
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 35: Epidermolysis Bullosa (Inherited)
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 36: Linear IgA Bullous Dermatosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 37: Erythema Toxicum Neonatorum
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 38: Transient Neonatal Pustular Melanosis
KEY FACTS
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 39: Acropustulosis of Infancy
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 40: Pemphigoid Gestationis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Macroscopic
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 41: Bullous Diabeticorum
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 42: Palmoplantar Pustulosis
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 43: Erosive Pustular Dermatosis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 44: Porphyria Cutanea Tarda
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS

SECTION 4: VASCULITIS, VASCULOPATHY, AND PERIVASCULAR DERMATOSES
Chapter 45: Leukocytoclastic Vasculitis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
REPORTING
Chapter 46: Granuloma Faciale
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 47: Erythema Elevatum Diutinum
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 48: Urticaria and Variants
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 49: Thrombotic Vasculopathy
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 50: Livedoid Vasculopathy
KEY FACTS
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 51: Polyarteritis Nodosa
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 52: Annular Erythemas
KEY FACTS
Terminology
Etiology/Pathogenesis
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 53: Giant Cell Arteritis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 54: Pruritic Urticarial Papules and Plaques of Pregnancy
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 55: Granulomatosis With Polyangiitis
KEY FACTS
Clinical Issues
Microscopic
Ancillary Tests
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 56: Churg-Strauss Syndrome
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 57: Behçet Disease
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 58: Malignant Atrophic Papulosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 59: Livedo Reticularis
KEY FACTS
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 60: Thrombophlebitis
KEY FACTS
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
IMAGING
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 61: Pernio
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST

SECTION 5: PANNICULITIDES
Chapter 62: Erythema Nodosum
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 63: Lipodermatosclerosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 64: Traumatic Panniculitis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 65: Eosinophilic Panniculitis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 66: Erythema Induratum
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 67: Sclerema Neonatorum
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 68: Subcutaneous Fat Necrosis of the Newborn
KEY FACTS
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
IMAGING
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 69: Post-Steroid Panniculitis
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 70: Cold Panniculitis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 71: Pancreatic Panniculitis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST

SECTION 6: CONNECTIVE TISSUE/SOFT TISSUE DISEASES
Chapter 72: Scar
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 73: Keloid
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 74: Lupus Erythematosus and Variants
KEY FACTS
Terminology
Clinical Issues
Microscopic
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 75: Morphea/Scleroderma
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Macroscopic
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 76: Dermatomyositis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Macroscopic
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 77: Radiodermatitis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 78: Eosinophilic Fasciitis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
IMAGING
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 79: Nodular Fasciitis
KEY FACTS
Terminology
Clinical Issues
Microscopic
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 80: Pseudoxanthoma Elasticum
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 81: Relapsing Polychondritis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
IMAGING
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 82: Nephrogenic Fibrosing Dermopathy (Nephrogenic Systemic Fibrosis)
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 83: Atrophoderma
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 84: Favre-Racouchot Syndrome
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 85: Collagenous and Elastotic Marginal Plaques of the Hands
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 86: Erythema Ab Igne
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 87: Anetoderma
KEY FACTS
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 88: Cutis Laxa
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 89: Acrokeratoelastoidosis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS

SECTION 7: DEGENERATIVE AND PERFORATING DISEASES
Chapter 90: Chondrodermatitis Nodularis Helicis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 91: Perforating Dermatoses
KEY FACTS
Terminology
Microscopic
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 92: Elephantiasis Nostras Verrucosa
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
IMAGING
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST

SECTION 8: METABOLIC/DEPOSITION DISEASES
Chapter 93: Acanthosis Nigricans
KEY FACTS
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 94: Confluent and Reticulated Papillomatosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 95: Amyloidosis
KEY FACTS
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 96: Colloid Milium
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 97: Calcinosis Cutis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 98: Osteoma Cutis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 99: Gout
KEY FACTS
Terminology
Clinical Issues
Microscopic
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 100: Tattoo Ink
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 101: Reaction to Cosmetic Fillers
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
IMAGING
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 102: Silicone Reaction
KEY FACTS
Terminology
Clinical Issues
Microscopic
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 103: Amalgam Tattoo
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Imaging
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
IMAGING
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 104: Argyria
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 105: Minocycline Deposition
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 106: Monsel Reaction
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 107: Calciphylaxis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 108: Ochronosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
IMAGING
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 109: Lipoid Proteinosis
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Imaging
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
IMAGING
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 110: Necrolytic Migratory Erythema
KEY FACTS
Terminology
Clinical Issues
Microscopic
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
IMAGING
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS

SECTION 9: MUCINOSES
Chapter 111: Focal Cutaneous Mucinosis
KEY FACTS
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 112: Myxedema
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 113: Papular Mucinosis
KEY FACTS
Terminology
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 114: Scleredema
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 115: Reticular Erythematous Mucinosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 116: Digital Mucous Cyst
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 117: Mucocele
KEY FACTS
Terminology
Classification
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 118: Cutaneous Myxoma
KEY FACTS
Clinical Issues
Macroscopic
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 119: Follicular Mucinosis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST

SECTION 10: GRANULOMATOUS DISEASES
Chapter 120: Sarcoidosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 121: Granuloma Annulare
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 122: Necrobiosis Lipoidica
KEY FACTS
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 123: Foreign Body Granuloma
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 124: Rheumatoid Nodule
KEY FACTS
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 125: Actinic Granuloma
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 126: Annular Elastolytic Giant Cell Granuloma
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 127: Melkersson-Rosenthal Syndrome
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 128: Multicentric Reticulohistiocytosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
IMAGING
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 129: Necrobiotic Xanthogranuloma
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 130: Perioral Dermatitis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 131: Lupus Miliaris Disseminatus Faciei
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 132: Cutaneous Crohn Disease
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 133: Interstitial Granulomatous Dermatitis
KEY FACTS
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 134: Palisaded Neutrophilic Granulomatous Dermatitis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST

SECTION 11: PILOSEBACEOUS DISEASES
Chapter 135: Folliculitis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 136: Acne
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 137: Rosacea
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 138: Hidradenitis Suppurativa
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 139: Furuncle
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Macroscopic
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 140: Eosinophilic Pustular Folliculitis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 141: Fox-Fordyce Disease
KEY FACTS
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 142: Chloracne
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST

SECTION 12: ALOPECIAS
Chapter 143: Androgenetic Alopecia
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Macroscopic
Microscopic
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 144: Telogen Effluvium
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 145: Trichotillomania
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 146: Alopecia Areata
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 147: Lichen Planopilaris
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 148: Discoid Lupus Alopecia
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 149: Central Centrifugal Cicatricial Alopecia
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 150: Folliculitis Decalvans
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 151: Acne Keloidalis Nuchae
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 152: Dissecting Cellulitis
KEY FACTS
Classification
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST

SECTION 13: REACTIONS TO DRUGS
Chapter 153: Morbilliform Drug Reactions
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 154: Fixed Drug Eruption
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 155: Lichenoid Drug Eruptions
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 156: Photodrug Eruptions
KEY FACTS
Terminology
Classification
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 157: Phototoxic Dermatitis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 158: Acute Generalized Exanthematous Pustulosis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 159: Drug Rash With Eosinophilia and Systemic Symptoms
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 160: Toxic Erythema of Chemotherapy
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS

SECTION 14: DISORDERS OF EPIDERMAL MATURATION AND KERATINIZATION
Chapter 161: Grover Disease
KEY FACTS
Terminology
Clinical Issues
Microscopic
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 162: Darier Disease
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 163: Porokeratosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 164: Ichthyosis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 165: Epidermolytic Hyperkeratosis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 166: Granular Parakeratosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 167: Incontinentia Pigmenti
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 168: Keratosis Pilaris
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 169: Circumscribed Acral Hypokeratosis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 170: ILVEN
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST

SECTION 15: DISORDERS OF PIGMENTATION
Chapter 171: Vitiligo
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 172: Postinflammatory Pigment Alteration
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Macroscopic
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 173: Pityriasis Alba
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 174: Becker Nevus
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 175: Melasma
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 176: Idiopathic Guttate Hypomelanosis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 177: Dowling-Degos Disease
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS

SECTION 16: NEUTROPHILIC DERMATOSES
Chapter 178: Sweet Syndrome
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 179: Pyoderma Gangrenosum
KEY FACTS
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 180: Subcorneal Pustular Dermatosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 181: Neutrophilic Eccrine Hidradenitis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS

SECTION 17: NUTRITIONAL DEFICIENCIES
Chapter 182: Necrolytic Acral Erythema
KEY FACTS
Clinical Issues
Macroscopic
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 183: Pellagra
KEY FACTS
Clinical Issues
Microscopic
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 184: Scurvy
KEY FACTS
Clinical Issues
Macroscopic
Microscopic
Ancillary Tests
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 185: Acrodermatitis Enteropathica
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS

SECTION 18: PHOTOSENSITIVITY DERMATOSES
Chapter 186: Polymorphous Light Eruption
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 187: Chronic Actinic Dermatitis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 188: Hydroa Vacciniforme
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS

SECTION 19: BACTERIAL INFECTIONS
Chapter 189: Impetigo
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 190: Cellulitis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 191: Necrotizing Fasciitis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
IMAGING
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 192: Ecthyma Gangrenosum
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 193: Staphylococcal Scalded Skin Syndrome
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 194: Lyme Disease and Its Manifestations
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 195: Tuberculosis
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 196: Atypical Mycobacterial Infections
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 197: Leprosy
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 198: Cat Scratch Disease/Bacillary Angiomatosis
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
IMAGING
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 199: Nocardiosis and Actinomycosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 200: Rocky Mountain Spotted Fever
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 201: Rhinoscleroma
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 202: Ecthyma
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 203: Erythrasma
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 204: Cutaneous Malakoplakia
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST

SECTION 20: SPIROCHETAL DISEASES
Chapter 205: Syphilis
KEY FACTS
Terminology
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS

SECTION 21: VIRAL INFECTIONS
Chapter 206: Viral Exanthem
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 207: Herpesvirus
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 208: Varicella/Herpes Zoster
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 209: Epstein-Barr Virus Infections
KEY FACTS
Clinical Issues
Microscopic
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 210: Cytomegalovirus
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 211: Orf and Milker’s Nodule
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 212: Hand, Foot, and Mouth Disease
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS

SECTION 22: FUNGAL INFECTIONS
Chapter 213: Dermatophytosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 214: Majocchi Granuloma
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 215: Onychomycosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 216: Pityriasis (Tinea) Versicolor
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 217: Tinea Nigra
KEY FACTS
Classification
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 218: Candidiasis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 219: Sporotrichosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 220: Coccidioidomycosis
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 221: Cryptococcosis
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 222: Histoplasmosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 223: Blastomycosis
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 224: Chromomycosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 225: Aspergillosis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 226: Zygomycosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 227: Mycetoma
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
IMAGING
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 228: Paracoccidioidomycosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 229: Lobomycosis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 230: Rhinosporidiosis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 231: Phaeohyphomycosis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 232: Penicilliosis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROBIOLOGY
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS

SECTION 23: ARTHROPODS/PARASITES
Chapter 233: Demodex Infestations
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 234: Bite Reactions
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 235: Scabies
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 236: Leishmaniasis
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 237: Larva Migrans and Currens
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 238: Onchocerciasis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Cysticercosis (Taenia solium)
Streptocerciasis (Mansonella streptocerca)
DIAGNOSTIC CHECKLIST
Chapter 239: Schistosomiasis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 240: Dirofilariasis
KEY FACTS
Terminology
Clinical Issues
Macroscopic
Microscopic
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 241: Myiasis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 242: Tungiasis
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 243: Pediculosis
KEY FACTS
Etiology/Pathogenesis
Macroscopic
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 244: Human Filariasis
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
IMAGING
MICROBIOLOGY
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST

SECTION 24: OTHER
Chapter 245: Cutaneous Endometriosis
KEY FACTS
Terminology
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
Chapter 246: Wells Syndrome
KEY FACTS
Terminology
Clinical Issues
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 247: Thermal Injury
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 248: Black Heel
KEY FACTS
Terminology
Etiology/Pathogenesis
Clinical Issues
Microscopic
Ancillary Tests
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MICROSCOPIC
ANCILLARY TESTS
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Chapter 249: Accessory Tragus
KEY FACTS
Clinical Issues
Microscopic
Top Differential Diagnoses
CLINICAL ISSUES
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
Chapter 250: Supernumerary Nipple
KEY FACTS
Etiology/Pathogenesis
Clinical Issues
Macroscopic
Microscopic
Top Differential Diagnoses
TERMINOLOGY
ETIOLOGY/PATHOGENESIS
CLINICAL ISSUES
MACROSCOPIC
MICROSCOPIC
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
INDEX