Hospital-Based Dermatopathology: An Illustrated Diagnostic Guide

✍ Scribed by Mai P. Hoang (editor), Maria Angelica Selim (editor)

• Publisher: Springer
• Year: 2020
• Tongue: English
• Leaves: 975
• Category: Library

✦ Synopsis

This book provides a concise reference of the histologic and clinical findings of dermatologic conditions encountered in the inpatient setting. The text is divided into twenty chapters. Histopathologic images and corresponding clinical photographs facilitate clinical pathologic correlation of the conditions discussed in each chapter. Bulleted summaries for quick easy-to-read reference and diagnostic pearls are provided for each of the discussed entities. Each chapter ends with several case studies in which clinical presentation, histologic interpretation and work-up of these challenging scenarios are outlined. This book represents an international collaboration and a wealth of clinical expertise and years of experience of authors from Africa, Asia, Europe, North and South America.
Hospital-Based Dermatopathology is a useful diagnostic guide for general pathologists, pathology and dermatology trainees, medical students, dermatopathologists, as well as dermatologists, hospitalists, and inpatient clinicians. It also serves as a useful guide in rendering histologic diagnosis for hospital-based or inpatient skin biopsies.

✦ Table of Contents

Introduction and Acknowledgments
References
Contents
Contributors
1: The Inpatient Skin Biopsy from the Dermatologist’s Perspective
2: Spongiotic and Psoriasiform Dermatitis
Introduction
Spongiotic Dermatitis
Eczematous Dermatitis
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Pityriasis Rosea
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Psoriasiform Dermatitis
Psoriasis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Pityriasis Rubra Pilaris
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Seborrhoeic Dermatitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Pityriasis Lichenoides Chronica
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Case Studies
Case 1
Clinical History
Microscopical Description
Diagnosis
Discussion
Case 2
Clinical History
Microscopical Description
Diagnosis
Discussion
Case 3
Clinical History
Microscopical Description
Diagnosis
Discussion
References
3: Lichenoid and Interface Dermatitis
Introduction
Lichen Planus
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Adult Blaschkitis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Lichenoid and Granulomatous Dermatitis
Etiology and/or Pathogenesis
Clinical Presentation
Histopathology
Differential Diagnosis
Erythema Multiforme
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Fixed Drug Eruption
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Erythroderma
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Drug-Induced Delayed Multi-organ Hypersensitivity/Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Graft-Versus-Host Disease
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Pityriasis Lichenoides
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Vignettes
Case 1
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 2
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 3
Clinical History
Microscopic Description
Diagnosis
Discussion
References
4: Neutrophilic and Pustular Eruptions
Introduction
Subcorneal Pustular Dermatosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Erosive Pustular Dermatosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Pustular Dermatoses of Infancy
Toxic Erythema of Neonate
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Eosinophilic Pustular Folliculitis of Infancy
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Infantile Acropustulosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Acute Generalized Exanthematous Pustulosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Generalized Pustular Psoriasis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Erythema Elevatum Diutinum
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Bowel-Associated Dermatosis-Arthritis Syndrome
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Neutrophilic Eccrine Hidradenitis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Sweet Syndrome
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Neutrophilic Dermatosis of the (Dorsal) Hands
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Pyoderma Gangrenosum
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Neutrophilic Urticarial Dermatosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Erythema Marginatum
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Neutrophilic Drug Eruption
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Eosinophilic Cellulitis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Hypereosinophilic Syndrome
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Eosinophilic Polymorphic and Pruritic Eruption Associated with Radiotherapy
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Case Studies
Case 1
Clinical History
Microscopic Description
Diagnosis
Case 2
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 3
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 4
Clinical History
Microscopic Description
Diagnosis
Discussion
References
5: Granulomatous Dermatitis and Others
Introduction
Sarcoidosis
Clinical Presentation
Maculopapular Lesions
Lupus Pernio
Hypopigmented Sarcoidosis
Atrophic and Ulcerative Sarcoidosis
Ichthyosiform Sarcoidosis
Scar Sarcoidosis
Subcutaneous Sarcoidosis
Sarcoidosis Alopecia
Nail Sarcoidosis
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Blau Syndrome
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Granuloma Annulare
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Necrobiosis Lipoidica
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Rheumatoid Nodule
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Necrobiotic Xanthogranuloma
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Crohn Disease
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Palisaded Neutrophilic and Granulomatous Dermatitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Idiopathic Orofacial Granulomatosis/Melkersson-Rosenthal Syndrome
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Granulomatous Rosacea
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Chronic Granulomatous Disease
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Foreign Body Granulomas
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Endocrine Abnormalities
Scleromyxedema
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Pretibial Myxedema
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Bullous Diabeticorum
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Hematologic Malignancies
Systemic Amyloidosis
Clinical Presentation
Systemic Amyloidosis
Localized Amyloidosis
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Nutritional Deficiencies
Pellagra
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Acrodermatitis Enteropathica
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Necrolytic Migratory Erythema
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Vitamin A Deficiency
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Vitamin C Deficiency
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Case Vignettes
Case 1
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 2
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 3
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 4
Clinical History
Microscopic Description
Diagnosis
Discussion
References
6: Mucinosis and Disorders of Collagen and Elastic Fibers
Introduction: Mucinoses and Disorders of Collagen and Elastic Fibers
Mucinoses
Dermal Mucinosis
Lichen Myxedematosus (Papular Mucinosis)
Scleromyxedema
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Localized Lichen Myxedematosus
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Localized (Pretibial) Myxedema
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Scleredema
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Reticular Erythematous Mucinosis (REM)
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Elastic Disorders
Pseudoxanthoma Elasticum
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Anetoderma
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Cutis Laxa
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Mid-dermal Elastolysis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Radiation Dermatitis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
The Ehlers-Danlos Syndrome
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Aplasia Cutis Congenita
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Focal Dermal Hypoplasia
Clinical Features
Histopathology
Prognosis or Course
Differential Diagnosis
Nephrogenic Fibrosing Dermopathy in Nephrogenic Systemic Fibrosis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Perforating Disorders (Table 6.3)
Reactive Perforating Collagenosis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Perforating Folliculitis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Elastosis Perforans Serpiginosa
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Hyperkeratosis Follicularis et Parafollicularis in Cutem Penetrans (Kyrle’s Disease)
Etiology and Pathogenesis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Case Studies
Case 1
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 2
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 3
Clinical History
Microscopic Description
Diagnosis
Discussion
References
7: Vasculitis
Introduction
Small-Vessel Vasculitis
Cutaneous Leukocytoclastic Vasculitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Immune Complex Small-Vessel Vasculitis
Immunoglobulin A Vasculitis (Henoch-Schonlein Purpura)
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Cryoglobulinemic Vasculitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Hypocomplementemic Urticarial Vasculitis (Anti-C1q Vasculitis)
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Anti-glomerular Basement Membrane (Anti-GBM) Disease
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Antineutrophil Cytoplasmic Antibody (ANCA)-Associated Vasculitis
Microscopic Polyangiitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Eosinophilic Granulomatosis with Polyangiitis (Churg-Strauss)
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Granulomatosis with Polyangiitis (Wegener Granulomatosis)
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Medium-Vessel Vasculitis
Polyarteritis Nodosa
Clinical Presentation
Systemic PAN
Cutaneous PAN
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Kawasaki Disease
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Large-Vessel Vasculitis
Giant Cell Arteritis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Takayasu Arteritis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Variable-Vessel Vasculitis
Behcet Disease
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Cogan Syndrome
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Systemic Disease-Associated Vasculitis
Rheumatoid Vasculitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Vasculitis in Systemic Lupus Erythematosus
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Sarcoid Vasculitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Case Studies
Case 1
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 2
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 3
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 4
Clinical History
Microscopic Description
Diagnosis
Discussion
References
8: Vasculopathy
Introduction
Thrombotic Vasculopathy
Sneddon Syndrome
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Cutaneous Collagenous Vasculopathy
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Dowling-Degos Disease
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Systemic Coagulopathy
Disseminated Intravascular Coagulation
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Inherited Hypercoagulable States
Clinical Presentation
Histopathology and Differential Diagnosis
Antiphospholipid Antibody Syndrome
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Warfarin-Induced Skin Necrosis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Heparin-Induced Thrombocytopenia
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Calciphylaxis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Platelet Plugging
Thrombotic Thrombocytopenic Purpura and Hemolytic Uremic Syndrome
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Immune Thrombocytopenic Purpura
Clinical Presentation
Prognosis or Clinical Course
Pathogenesis and Histopathology
Differential Diagnosis
Livedoid Vasculopathy (Segmental Hyalinizing Vasculitis, Atrophie Blanche)
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Agglutination
Cryoglobulinemia
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Cryofibrinogenemia
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Embolization
Cholesterol Embolism
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Hyperoxaluria
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Intravascular Lymphoma
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Septic Vasculitis
Clinical Presentation, Prognosis, or Clinical Course
Histopathology
Differential Diagnosis
Others
Vasculopathy Induced by Cocaine-Levamisole Toxicity
Clinical Presentation
Prognosis and Clinical Course
Histologic Features
Case Studies
Case 1
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 2
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 3
Clinical History
Microscopic Description
Diagnosis
Discussion
References
9: Subcorneal and Intraepidermal Immunobullous Dermatoses
Introduction
Pemphigus Foliaceus
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Direct Immunofluorescence
Differential Diagnosis
Pemphigus Vulgaris
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Direct Immunofluorescence
Differential Diagnosis
Pemphigus Vegetans
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Direct Immunofluorescence
Differential Diagnosis
Pemphigus Herpetiformis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Direct Immunofluorescence
Differential Diagnosis
Pemphigus Erythematosus
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Direct Immunofluorescence
Differential Diagnosis
Paraneoplastic Pemphigus
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Direct Immunofluorescence
Differential Diagnosis
Drug-Induced Pemphigus
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Direct Immunofluorescence
Differential Diagnosis
IgA Pemphigus
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Direct Immunofluorescence
Differential Diagnosis
IgA/IgG Pemphigus
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Direct Immunofluorescence
Differential Diagnosis
Hailey-Hailey Disease
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Darier Disease
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Transient Acantholytic Dermatosis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Case Studies
Case 1
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 2
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 3
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 4
Clinical History
Microscopic Description
Diagnosis
Discussion
References
10: Subepidermal Bullous Dermatoses
Introduction
Epidermolysis Bullosa
Clinical Presentation
Epidermolysis Bullosa Simplex
Junctional Epidermolysis Bullosa
Dystrophic Epidermolysis Bullosa
Kindler Syndrome
Prognosis or Clinical Course
Histopathology, Transmission Electron Microscopy, and Immunomapping
Differential Diagnosis
Porphyria Cutanea Tarda
Iron Overload and Susceptibility Factors
Clinical Presentation
Prognosis or Clinical Course
Histopathology, Immunofluorescence, and Transmission Electron Microscopy
Differential Diagnosis
Bullous Pemphigoid
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Immunofluorescence and ELISA Test
Differential Diagnosis
Mucous Membrane Pemphigoid or Cicatricial Pemphigoid
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Immunofluorescence
Differential Diagnosis
Pemphigoid Gestationis
Clinical Presentation
Prognosis or Clinical Course
Histopathology and Immunofluorescence
Differential Diagnosis
Linear IgA Disease
Clinical Presentation
Prognosis or Clinical Course
Histopathology and Immunofluorescence
Differential Diagnosis
Anti-laminin Gamma-1 Pemphigoid or Anti-p200 Pemphigoid
Clinical Presentation
Prognosis or Clinical Course
Histopathology and Immunofluorescence
Differential Diagnosis
Epidermolysis Bullosa Acquisita
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Bullous Lupus Erythematosus
Clinical Presentation
Prognosis or Clinical Course
Histopathology and Immunofluorescence
Differential Diagnosis
Dermatitis Herpetiformis
Clinical Presentation
Prognosis or Clinical Course
Histopathology and Immunofluorescence
Differential Diagnosis
Lichen Planus Pemphigoid
Clinical Presentation
Prognosis or Clinical Course
Histopathology and Immunofluorescence
Differential Diagnosis
Case Studies
Case 1
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 2
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 3
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 4
Clinical History
Microscopic Description
Diagnosis
Discussion
References
11: Autoimmune Connective Tissue Diseases
Introduction
Lupus Erythematosus
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Dermatomyositis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Morphea, Systemic Sclerosis, and Limited Scleroderma
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Sjogren Syndrome
Etiology and/or Pathogenesis
Clinical Features
Histopathologic Features
Differential Diagnosis
Rheumatoid Arthritis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Mixed Connective Tissue Disease
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Relapsing Polychondritis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Autoinflammatory Conditions
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Case Studies
Case 1
Clinical History
Microscopic description
Diagnosis
Discussion
Case 2
Clinical History
Microscopic description
Diagnosis
Discussion
Case 3
Clinical History
Microscopic description
Diagnosis
Discussion
References
12: Panniculitis
Introduction
Septal Panniculitis
Erythema Nodosum
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Sclerosing Septal and Lobular Panniculitides
Morphea and Scleroderma Associated Panniculitis/Eosinophilic Fasciitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Postirradiation Pseudosclerodermatous Panniculitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Lipodermatosclerosis (Sclerosing Panniculitis)
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Lobular Panniculitis and Mixed Lobular/Septal Panniculitis
Neutrophil-Predominant
Nodular Vasculitis/Erythema Induratum
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Infectious Panniculitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Neutrophilic Lobular Panniculitis Associated with Rheumatoid Arthritis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Pancreatic Panniculitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Alpha-1-Antitrypsin Deficiency Associated Panniculitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Lobular Panniculitis Associated with BRAF Inhibitor
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Lymphocyte-Predominant
Lupus Panniculitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Dermatomyositis Panniculitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Cold Panniculitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Subcutaneous Panniculitis-Like T-Cell Lymphoma
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Macrophage/Histiocytic-Predominant
Traumatic and Factitious Panniculitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Subcutaneous Fat Necrosis of the Newborn
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Lipoatrophy/Lipodystrophy
Histopathology
Depositional Panniculitides
Crystal-Storing Histiocytosis
Case Studies
Case 1
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 2
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 3
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 4
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 5
Clinical History
Microscopic Description
Diagnosis
Discussion
References
13: Infection: Bacteria, Spirochetes, Protozoa, and Infestation
Introduction
Bacterial Infection
Impetigo
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Staphylococcal Scalded Skin Syndrome
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Toxic Shock Syndrome
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Erythrasma
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Erysipelas and Cellulitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Necrotizing Fasciitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Ecthyma Gangrenosum
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Cat-Scratch Disease
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Bacillary Angiomatosis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Mycobacterial Infection
Cutaneous Tuberculosis
Clinical Presentation
Primary Tuberculosis of the Skin
Lupus Vulgaris
Tuberculosis Verrucosa Cutis
Scrofuloderma
Lichen Scrofulosorum
Other Forms of Cutaneous Tuberculosis
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Atypical Mycobacteria
Clinical Presentation and Histopathology
Slow-Growing Mycobacteria
Mycobacterium marinum
Mycobacterium kansasii
Mycobacterium scrofulaceum
Mycobacterium ulcerans
Mycobacterium avium complex (MAC)
Mycobacterium haemophilum
Rapid-Growing Mycobacteria
Mycobacterium fortuitum, Mycobacterium abscessus, and Mycobacterium chelonae
Prognosis or Clinical Course
Differential Diagnosis
Leprosy
Clinical Presentation
Reactional States in Leprosy
Prognosis and Clinical Course
Histopathology
Differential Diagnosis
Gonorrhea
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Granuloma Inguinale (Donovanosis)
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Chancroid
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Lymphogranuloma Venereum
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Spirochete Infection
Syphilis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Lyme Disease
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Protozoal Infection
Leishmaniasis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Toxoplasmosis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Amebic Infections
Cutaneous amebiasis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Cutaneous Acanthamebiasis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Cutaneous Balamuthia mandrillaris
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Infestation
Scabies
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Tungiasis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Onchocerciasis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Cutaneous Larva Migrans
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Schistosomiasis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Cysticercosis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Case Studies
Case 1
Clinical history
Microscopic description
Diagnosis
Discussion
Case 2
Clinical history
Microscopic description
Diagnosis
Discussion
Case 3
Clinical history
Microscopic description
Diagnosis
Discussion
References
14: Fungal, Viral, and Rickettsial Infections
Introduction
Fungal Infections
Superficial Fungal Infections
Pityriasis Versicolor
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Candidiasis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Subcutaneous Infections
Sporotrichosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Chromoblastomycosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Lobomycosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Eumycetoma
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Systemic
Coccidioidomycosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Histoplasmosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Paracoccidioidomycosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Blastomycosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Opportunistic Mycosis
Cryptococcosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Aspergillosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Zygomycosis (Mucormycosis)
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Phaeohyphomycosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Hyalohyphomycosis (with Emphasis in Fusarium)
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Talaromycosis (Penicilliosis)
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Alternariosis
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Viral Infections
Herpes Simplex Virus
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Varicella Zoster Virus: Disseminated Herpes Zoster
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Cytomegalovirus
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Hand, Foot, and Mouth Disease
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Human Immunodeficiency Virus (HIV)
Rickettsial and Rickettsial-like Infections
Rocky Mountain Spotted Fever
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Spotted Fever Group Rickettsioses (SFGR)
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Scrub Typhus
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Course
Histopathology
Differential Diagnosis
Case Studies
Case 1
Clinical History
Histology
Diagnosis
Discussion
Case 2
Clinical History
Histology
Diagnosis
Discussion
Case 3
Clinical History
Histology
Diagnosis
Discussion
References
15: Drug Reactions
Introduction
Morbilliform/Exanthematous Drug Eruption
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
DRESS (Drug Reaction with Eosinophilia and Systemic Symptoms)
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Serum Sickness/Serum Sickness-Like Drug Reaction
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Phototoxic and Photoallergic Drug Reaction
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Lichenoid Drug Eruption
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Fixed Drug Eruption
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Bullous Drug Reactions
Drug-Induced Linear IgA Disease
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Drug-Induced Bullous Pemphigoid
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Drug-Induced Epidermolysis Bullosa Acquisita
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Drug-Induced Pemphigus
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Drug-Induced Pseudoporphyria
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Acute Generalized Exanthematous Pustulosis (AGEP)
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
SDRIFE (Symmetric Drug-Related Intertriginous and Flexural Exanthema)
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Drug-Induced Hyperpigmentation
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Drug-Induced Pseudolymphoma
Etiology and/or Pathogenesis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Case Vignettes
Case 1
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 2
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 3
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 4
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 5
Clinical History
Microscopic Description
Diagnosis
Discussion
References
16: Adverse Cutaneous Reactions to Chemotherapeutic Agents
Introduction
Chemotherapy-Induced Acral Erythema
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Neutrophilic Eccrine Hidradenitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Eccrine Squamous Syringometaplasia
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Tumor Necrosis Factor-α Inhibitors
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Granulocyte-Macrophage Colony-Stimulating Factor
Clinical Presentation
Histopathology
Epidermal Growth Factor Receptor Inhibitor
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Kinase Inhibitors
Multikinase Inhibitors
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
BRAF V600E Inhibitor
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
MEK Inhibitor
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Immune Checkpoint Blockade
Clinical Presentation
Prognosis and/or Clinical Course
Histopathology
Other Inhibitors
ALK Inhibitors
Clinical Presentation
Histopathology
PI3K/AKT/mTOR Inhibitors
Clinical Presentation
Histopathology
Smoothened (SMO) Inhibitors
Clinical Presentation and Histopathology
CD20 Inhibitors
Clinical Presentation
Histopathology
CD25 Inhibitors
Clinical Presentation
Histopathology
CD30 Inhibitor
Clinical Presentation and Histopathology
CD52 Inhibitors
Clinical Presentation
Interferon
Clinical Presentation and Histopathology
Proteasome Inhibitor/Apoptosis Inducing
Clinical Presentation and Histopathology
Case Studies
Case 1
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 2
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 3
Clinical History
Microscopic Description
Diagnosis
Discussion
Case 4
Clinical History
Microscopic Description
Diagnosis
Discussion
References
17: Transplant-Related and Metastatic Malignancies
Acute Graft-Versus-Host Disease
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Eruption of Lymphocyte Recovery
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Engraftment Syndrome
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Toxic Erythema of Chemotherapy
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Cutaneous Metastases
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Leukemia Cutis
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Intravascular Large B-Cell Lymphoma
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Case Studies
Case 1
Histopathologic Findings
Diagnosis
Discussion
Case 2
Histopathologic Findings
Diagnosis
Discussion
Case 3
Histopathologic Findings
Diagnosis
Discussion
References
18: Human Immunodeficiency Virus (HIV)-Associated Dermatoses and Malignancy
Introduction
Acute HIV Exanthem
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
HIV-Associated Papulosquamous Dermatoses
HIV-Associated Seborrheic Dermatitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
HIV-Associated Psoriasis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
HIV-Associated Pityriasis Rubra Pilaris
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
HIV-Associated Xerosis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
HIV-Related Pruritic Papular Dermatoses
Pruritic Papular Eruption
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
HIV-Associated Eosinophilic Folliculitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
HIV-Associated Autoimmune Vesiculobullous Dermatoses
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
HIV-Associated Vasculitides
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
HIV-Associated Photodistributed Eruptions
HIV-Associated Chronic Actinic Dermatitis
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
HIV-Associated Lichenoid Photoeruptions
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
HIV-Associated Porphyria Cutanea Tarda
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Adverse Cutaneous Drug Reactions in HIV/AIDS
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
HIV-Associated Lipodystrophy
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
HIV-/AIDS-Associated Neoplasia
AIDS-Associated Kaposi Sarcoma
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
HIV-Related Non-Hodgkin Lymphomas
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Case Studies/Vignettes
Case 1
Clinical History
Microscopic Findings
Diagnosis
Discussion
Case 2
Clinical History
Microscopic Findings
Diagnosis
Discussion
Case 3
Clinical History
Microscopic Findings
Diagnosis
Discussion
References
19: Inpatient Pediatric Dermatopathology
Introduction
Acute Hemorrhagic Edema of Infancy
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Incontinentia Pigmenti
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Harlequin Ichthyosis
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Ichthyosis Vulgaris
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Lamellar Ichthyosis
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Congenital Ichthyosiform Erythroderma
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Steroid Sulfatase Deficiency
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Epidermolytic Ichthyosis
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Conradi–Hünermann–Happle Syndrome
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Sjögren–Larsson Syndrome
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Subcutaneous Fat Necrosis of the Newborn
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Sclerema Neonatorum
Clinical Presentation
Prognosis
Histopathology
Differential Diagnosis
Case Studies
Case 1
Histopathologic Findings
Diagnosis
Discussion
Case 2
Histopathologic Findings
Diagnosis
Discussion
Case 3
Histopathologic Features
Diagnosis
Discussion
Case 4
Histopathologic Findings
Final Diagnosis
Discussion
Case 5
Histopathologic Findings
Diagnosis
Discussion
References
20: Alopecia
Introduction
Telogen Effluvium
Clinical Findings
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Anagen Effluvium
Clinical Findings
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Drug-Induced Alopecia
Clinical Findings
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Pressure Alopecia
Clinical Findings
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Lupus Erythematosus
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Syphilitic Alopecia
Clinical Presentation
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Tinea Capitis
Clinical Findings
Prognosis or Clinical Course
Histopathology
Differential Diagnosis
Case Studies
Case 1
Case History
Microscopic Description
Diagnosis
Discussion
Case 2
Case History
Microscopic Description
Diagnosis
Discussion
Case 3
Case History
Microscopic Description
Diagnosis
Discussion
Case 4
Case History
Microscopic Description
Diagnosis
Discussion
References
Index