Dermatopathology A-Z

Dr. Vladimir Vincek, MD, Ph.D. is professor at the University of Florida's College of Medicine in the Dermatology department. Until August 2016, he was also the director of the Dermatopathology Program and has also served as the medical director for the University of Florida Pathology Laboratories (UF PathLabs). He actively teaches in dermatology and pathology training programs as well as in UF’s dermatopathology fellowship program and continues to pursue his research interest in gene expression analysis of melanocytic lesions and study of abnormal wound healing. He has received several teaching awards, including The Hydra Award from UF’s department of pathology, immunology and laboratory medicine in 2007-2008.

lt;p>Table of Contents

Part IA

Chapter 1Abscess

Chapter 2Acanthamoebiasis

Chapter 3Acantholytic Acanthoma

Chapter 4Acanthosis Nigricans

Chapter 5Accessory Tragus

Chapter 6Acne Agminata

Chapter 7Acne Conglobata

Chapter 8Acne Fulminans

Chapter 9Acne Keloidalis Nuchae

Chapter 10Acne Vulgaris

Chapter 11Acral Fibrokeratoma

Chapter 12Acral Fibromyxoma

Chapter 13Acral Persistent Papular Mucinosis

Chapter 14Acroangiodermatitis

Chapter 15Acrochordon

Chapter 16Acrodermatitis Chronica Atrophicans

Chapter 17Acrokeratosis Verruciformis of Hopf

Chapter 18Acrospiroma

Chapter 19Actinic Cheilitis

Chapter 20Actinic Granuloma

Chapter 21Actinic Keratosis

Chapter 22Actinic Prurigo

Chapter 23Actinic Reticuloid

Chapter 24Actinomycosis

Chapter 25Acute Generalized Exanthematous Pustulosis

Chapter 26Acute Lupus Erythematosus

Chapter 27Adenoid Cystic Carcinoma

Chapter 28Adult T-Cell Lymphoma / Leukemia

Chapter 29African Tick Bite

Chapter 30Aggressive Digital Papillary Adenocarcinoma

Chapter 31Albinism

Chapter 32Allergic Contact Dermatitis

Chapter 33Alopecia Areata

Chapter 34Alpha-1 Antitrypsin Panniculitis

Chapter 35Alternariosis

Chapter 36Amalgam Tattoo

Chapter 37Ameloblastoma

Chapter 38Amyloidosis

Chapter 39Androgenic Alopecia

Chapter 40Anetoderma

Chapter 41Angiofibroma

Chapter 42Angiokeratoma

Chapter 43Angioleiomyoma

Chapter 44Angiolipoma

Chapter 45Angiolymphoid Hyperplasia with Eosinophilia

Chapter 46Angiomatosis

Chapter 47Angiomyofibroblastoma

Chapter 48Angiomyolipoma

Chapter 49Angiomyxoma

Chapter 50Angiosarcoma

Chapter 51Aplasia Cutis

Chapter 52Apocrine Adenocarcinoma

Chapter 53Apocrine Papillary Cystadenoma

Chapter 54Argyria

Chapter 55Arteriovenous Hemangioma

Chapter 56Arteriovenous Malformation

Chapter 57Arthropod Bite

Chapter 58Aspergillosis

Chapter 59Asteatotic Dermatitis

Chapter 60Atopic Dermatitis

Chapter 61Atrophie Blanche

Chapter 62Atrophoderma of Pasini and Pierini

Chapter 63Atypical Fibroxanthoma

Chapter 64Atypical Mycobacterial Infection

Chapter 65Axillary Granular Parakeratosis

Part IIB

Chapter 66Bacillary Angiomatosis

Chapter 67Balloon Cell Nevus

Chapter 68Basal Cell Carcinoma

Chapter 69Basaloid Follicular Hamartoma

Chapter 70Becker's Nevus

Chapter 71Bednar's Tumor

Chapter 72Beh et's Disease

Chapter 73Blastomycosis

Chapter 74Blastomycosis-like Pyoderma

Chapter 75Blue Nevus

Chapter 76Botryomycosis

Chapter 77Bowen's Disease

Chapter 78Bowenoid Papulosis

Chapter 79Branchial Cleft Cyst

Chapter 80Bronchogenic Cyst

Chapter 81Bullosis Diabeticorum

Chapter 82Bullous Lupus Erythematosus

Chapter 83Bullous Pemphigoid

Chapter 84Burn

Part IIIC

Chapter 85Café au Lait Macules

Chapter 86Calcifying (Juvenile) Aponeurotic Fibroma

Chapter 87Calcinosis Cutis 

Chapter 88Calciphylaxis

Chapter 89Callus

Chapter 90Candidiasis

Chapter 91Capillary Hemangioma

Chapter 92Carcinosarcoma

Chapter 93Cat Scratch Disease

Chapter 94Cavernous Hemangioma

Chapter 95Cellular Blue Nevus

Chapter 96Cellular Digital Fibroma

Chapter 97Cellulitis

Chapter 98Chalazion

Chapter 99Chancroid

Chapter 100Cherry Angioma

Chapter 101Chondroid Syringoma

Chapter 102Chondrodermatitis Nodularis Helicis

Chapter 103Chondroma

Chapter 104Chondrosarcoma

Chapter 105Chordoma

Chapter 106Chromoblastomycosis

Chapter 107Chrysiasis

Chapter 108Churg Strauss Disease

Chapter 109Cicatricial Pemphigoid

Chapter 110Ciliated Cyst

Chapter 111Circumscribed Acral Hypokeratosis

Chapter 112Clavus

Chapter 113Clear Cell Acanthoma

Chapter 114Clear Cell Sarcoma

Chapter 115Coccidioidomycosis

Chapter 116Cold Panniculitis

Chapter 117Collagenoma

Chapter 118Collagenous and Elastotic Plaques of the Hands

Chapter 119Collision Tumor

Chapter 120Colloid Milium

Chapter 121Coma Blister

Chapter 122Combined Nevus

Chapter 123Compound Nevus

Chapter 124Condyloma Accuminatum

Chapter 125Condyloma Lata

Chapter 126Confluent and Reticulated Papillomatosis of Gourgerout and Cartoud

Chapter 127Congenital Nevus

Chapter 128Connective Tissue Nevus

Chapter 129Cranial Fasciitis

Chapter 130Crohn's Disease

Chapter 131Cryoglobulinemia

Chapter 132Cryptococcus

Chapter 133Cutaneous B-Cell Lymphoma

Chapter 134Cutaneous Horn

Chapter 135Cutaneous Metastasis

Chapter 136Cutaneous NK/T Cell Lymphomas

Chapter 137Cutis Laxa

Chapter 138Cylindroma

Chapter 139Cylindroma Malignant

Chapter 140Cytomegalovirus

Chapter 141Cytophagic Histiocytic Panniculitis 

Part IVD

Chapter 142Darier's Disease

Chapter 143Deep Penetrating Nevus

Chapter 144Degos Disease

Chapter 145Dermal Duct Tumor

Chapter 146Dermal Melanocytosis

Chapter 147Dermal Nevus

Chapter 148Dermatitis Herpetiformis

Chapter 149Dermatofibroma

Chapter 150Dermatofibrosarcoma Protuberans 

Chapter 151Dermatomyositis

Chapter 152Dermatomyofibroma

Chapter 153Dermatosis Papulosa Nigra

Chapter 154Dermoid Cyst

Chapter 155Digital Mucous Cyst

Chapter 156Dilated Pore of Winer

Chapter 157Discoid Lupus Erythematosus

Chapter 158Dissecting Cellulitis

Chapter 159Dowling Degos Disease

Chapter 160Drug Reaction

Chapter 161Ductal Eccrine Adenocarcinoma

Chapter 162Dyshidrotic Dermatitis

Chapter 163Dysplastic Nevus

Part VE

Chapter 164Ecthyma

Chapter 165Ecthyma Gangrenosum

Chapter 166Elastofibroma

Chapter 167Elastoma

Chapter 168Elastosis Perforans Serpiginosa

Chapter 169Electrocautery/Electrodessication Artifact

Chapter 170Encapsulated and Palisaded Neuroma

Chapter 171Endometriosis

Chapter 172Enterobiasis

Chapter 173Eosinophilic Fasciitis

Chapter 174Eosinophilic Folliculitis

Chapter 175Eosinophilic Panniculitis

Chapter 176Ephelis

Chapter 177Epidermal Inclusion Cyst

Chapter 178Epidermal Nevus

Chapter 179Epidermodysplasia Verruciformis

Chapter 180Epidermolysis Bullosa Acquisita / Simplex

Chapter 181Epidermolytic Acanthoma / Hyperkeratosis

Chapter 182Epulis Fissuratum

Chapter 183Erysipelas

Chapter 184Erythema Ab Igne

Chapter 185Erythema Annulare Centrifugum

Chapter 186Erythema Chronicum Migrans

Chapter 187Erythema Dischromicum Perstans

Chapter 188Erythema Elevatum Diutinum

Chapter 189Erythema Induratum

Chapter 190Erythema Marginatum

Chapter 191Erythema Multiforme

Chapter 192Erythema Nodosum

Chapter 193Erythema Nodosum Leprosum

Chapter 194Erythema Toxicum Neonatorum

Chapter 195Erythrasma

Chapter 196Extramammary Fibroadenoma

Chapter 197Extranodal NK/T-Cell Lymphoma, Nasal Type

Chapter 198Extrarenal Malignant Rhabdoid Tumor

Part VIF

Chapter 199Factitial Dermatititis/Panniculitis

Chapter 200Fibroblastic Connective Tissue Nevus

Chapter 201Fibroepithelioma of Pinkus

Chapter 202Fibrofolliculoma

Chapter 203Fibroma of Tendon Sheath

Chapter 204Fibromatosis

Chapter 205Fibro-Osseous Pseudotumor of the Digits

Chapter 206Fibrosarcoma

Chapter 207Fibrous Hamartoma of Infancy

Chapter 208Fixed Drug Reaction

Chapter 209Focal Dermal Mucinosis

Chapter 210Focal Dermal Hypoplasia

Chapter 211Follicular Eczema

Chapter 212Follicular Mucinosis

Chapter 213Folliculosebaceous Cystic Hamartoma

Chapter 214Folliculitis - Acute

Chapter 215Folliculitis - Bacterial

Chapter 216Folliculitis Decalvans

Chapter 217Folliculitis - Demodex

Chapter 218Folliculitis - Fungal

Chapter 219Folliculitis - Herpetic

Chapter 220Folliculitis - Pityrosporum

Chapter 221Foreign Body Reaction

Chapter 222Fox-Fordyce Disease

Chapter 223Freeze Artifact

Chapter 224Friction Blister

Chapter 225Fusariosis

Part VIIG

Chapter 226Galli-Galli Disease

Chapter 227Gauze

Chapter 228Gelfoam

Chapter 229Generalized Eruptive Histiocytosis

Chapter 230Giant Cell Tumor of Tendon Sheath

Chapter 231Glomeruloid Hemangioma

Chapter 232Glomangioma

Chapter 233Glomus Tumor

Chapter 234Gottron's Papule

Chapter 235Gout

Chapter 236Graft-Versus-Host Disease

Chapter 237Granular Cell Tumor

Chapter 238Granulation Tissue

Chapter 239Granuloma Annulare

Chapter 240Granuloma Faciale

Chapter 241Granuloma Inguinale

Chapter 242Grover's Disease

Chapter 243Gynecomastia

Part VIIIH

Chapter 244Hailey-Hailey Disease

Chapter 245Halo Nevus

Chapter 246Halogenoderma

Chapter 247Hand Foot and Mouth Disease

Chapter 248Hemangioendothelioma

Chapter 249Hemangioma

Chapter 250Hemangiopericytoma

Chapter 251Henoch-Schönlein Purpura

Chapter 252Herpes Gestationis

Chapter 253Herpes Virus

Chapter 254Heterotopic Neural Tissue

Chapter 255Hibernoma

Chapter 256Hidradenoma Papilliferum

Chapter 257Hidroacanthoma Simplex

Chapter 258Hidradenitis Suppurativa

Chapter 259Hidrocystoma

Chapter 260Histoplasmosis

Chapter 261Hobnail Hemangioma

Chapter 262Hodgkin's Disease

Chapter 263Hyalinosis Cutis et Mucosae

Chapter 264Hybrid Cyst

Chapter 265Hydroa Vacciniforme

Chapter 266Hypertrophic Scar

Part IXI

Chapter 267Ichthyosis / Keratoderma

Chapter 268Id Reaction

Chapter 269IgA Pemphigus

Chapter 270Incontinencia Pigmenti

Chapter 271Infantile Acropustulosis

Chapter 272Infantile Digital Fibromatosis

Chapter 273Inflammatory Linear Verrucous Epidermal Nevus

Chapter 274Intravascular Large B-Cell Lymphoma

Chapter 275Intravascular Papillary Endothelial Hyperplasia

Chapter 276Inverted Follicular Keratosis

Chapter 277Impetigo

Chapter 278Irritant Contact Dermatitis

Chapter 279Ischemic Fasciitis

Part XJ

Chapter 280Jessner's Lymphocytic Infiltrate

Chapter 281Junctional Nevus

Chapter 282Juvenile Hyaline Fibromatosis

Part XIK

Chapter 283Kaposi's Sarcoma

Chapter 284Kaposiform Hemagioendothelioma

Chapter 285Keloid

Chapter 286Keratin Granuloma

Chapter 287Keratoacanthoma

Chapter 288Keratosis Pilaris

Chapter 289Kimura's Disease

Chapter 290Knuckle Pad

Chapter 291Kyrle's Disease

Part XIIL

Chapter 292Langerhans Cell Histiocytosis

Chapter 293Large Cell Acanthoma

Chapter 294Larva Migrans

Chapter 295Leiomyoma

Chapter 296Leiomyosarcoma

Chapter 297Leishmaniasis

Chapter 298Lentigo Simplex

Chapter 299Leukemia Cutis

Chapter 300Leukocytoclastic Vasculitis

Chapter 301Leukoedema

Chapter 302Leukoplakia

Chapter 303Leprosy-Lepromatous

Chapter 304Leprosy-Tuberculoid

Chapter 305Lichen Aureus

Chapter 306Lichen Myxedematosus

Chapter 307Lichen Nitidus

Chapter 308Lichen Planopilaris

Chapter 309Lichen Planus

Chapter 310Lichen Planus-Like Keratosis

Chapter 311Lichen Sclerosus et Atrophicus

Chapter 312Lichen Simplex Chronicus

Chapter 313Lichen Striatus

Chapter 314Light Reaction

Chapter 315Linear IgA Bullous Dermatosis

Chapter 316Lipodermatosclerosis

Chapter 317Lipoma

Chapter 318Liposarcoma

Chapter 319Livedo Reticularis

Chapter 320Lobomycosis

Chapter 321Low Grade Fibromyxoid Sarcoma

Chapter 322Lupus Erythematosus

Chapter 323Lupus Panniculitis

Chapter 324Lupus Pernio

Chapter 325Lyme Disease

Chapter 326Lymphadenoma

Chapter 327Lymphangioma

Chapter 328Lymphedema

Chapter 329Lymphoepithelioma-Like Carcinoma

Chapter 330Lymphogranuloma Venereum

Chapter 331Lymphomatoid Papulosis

Part XIIIM

Chapter 332Majocchi's Granuloma

Chapter 333Malakoplakia

Chapter 334Malignant Fibrous Histiocytoma

Chapter 335Malignant Peripheral Nerve Sheath Tumor

Chapter 336Mastocytosis - Systemic

Chapter 337Median Raphe Cyst

Chapter 338Melanoacanthoma

Chapter 339Melanocytic Matricoma

Chapter 340Melanoma

Chapter 341Merkel Cell Carcinoma

Chapter 342Meyerson's Nevus

Chapter 343Microcystic Adnexal Carcinoma (MAC)

Chapter 344Microscopic Polyangiitis

Chapter 345Migratory Glossitis

Chapter 346Miliaria

Chapter 347Milia

Chapter 348Minocycline

Chapter 349Molluscum Contagiosum

Chapter 350Mongolian Spot

Chapter 351Monsel's Solution Reaction

Chapter 352Montgomery's Tubercle

Chapter 353Morphea / Scleroderma

Chapter 354Mucinoses

Chapter 355Mucinous Carcinoma

Chapter 356Mucocele

Chapter 357Mucoepidermoid Carcinoma

Chapter 358Mucormycosis

Chapter 359Mucosal Lentigo

Chapter 360Multinucleated Cell Angiohistiocytoma

Chapter 361Mycetoma

Chapter 362Mycosis Fungoides

Chapter 363Myiasis

Chapter 364Myoepithelioma

Chapter 365Myofibroma

Chapter 366Myxoma

Part XIVN

Chapter 367Necrobiosis Lipoidica

Chapter 368Necrobiotic Xanthogranuloma

Chapter 369Necrolytic Migratory Erythema

Chapter 370Necrotizing Fasciitis

Chapter 371Necrotizing Sialometaplasia

Chapter 372Nephrogenic Systemic Fibrosis

Chapter 373Neurofibroma

Chapter 374Neurofollicular Hamartoma

Chapter 375Neurothekeoma

Chapter 376Neutrophilic Eccrine Hidradenitis

Chapter 377Nevus Comedonicus

Chapter 378Nevus Depigmentosus

Chapter 379Nevus Flammeus

Chapter 380Nevus Lipomatosus

Chapter 381Nevus of Ito/Ota/Hori/Sun

Chapter 382Nevus Sebaceus of Jadassohn

Chapter 383Nevus Spilus

Chapter 384Nipple Adenoma

Chapter 385Nocardiosis

Chapter 386Nodular Fasciitis

Chapter 387Non-Langerhans Cell Histiocytosis of Skin and Mucosa

Chapter 388Nummular Dermatitis

Part XVO

Chapter 389Ochronosis

Chapter 390Omphalomesenteric Duct Remnant

Chapter 391Onchocerciasis

Chapter 392Onychomycosis

Chapter 393Onychomatricoma

Chapter 394Oral Fibroma

Chapter 395Oral Hairy Leukoplakia

Chapter 396Orf

Chapter 397Orofacial Granulomatosis

Chapter 398Ossifying Fibromyxoid Tumor

Chapter 399Osteoma

Chapter 400Osteo-Nevus of Nanta

Chapter 401Osteosarcoma

Part XVIP

Chapter 402Paget's Disease

Chapter 403Pagetoid Reticulosis

Chapter 404Palisaded Neutrophilic and Granulomatous Dermatitis

Chapter 405Pancreatic Panniculitis

Chapter 406Papillary Eccrine Adenoma

Chapter 407Papular Acrodermatitis of Childhood

Chapter 408Papular Mucinosis

Chapter 409Paracoccidioidomycosis

Chapter 410Paraffinoma

Chapter 411Paraneoplastic Pemphigus

Chapter 412Parapsoriasis

Chapter 413PEComa

Chapter 414Pediculosis

Chapter 415Pemphigus Foliaceous

Chapter 416Pemphigus Vegetans

Chapter 417Pemphigus Vulgaris

Chapter 418Penicillamine Dermopathy

Chapter 419Perforating Collagenosis

Chapter 420Perforating Dermatosis

Chapter 421Perforating Folliculitis

Chapter 422Perifollicular Fibroma

Chapter 423Perineurioma

Chapter 424Perioral Dermatitis

Chapter 425Perniosis

Chapter 426Phaeohyphomycosis

Chapter 427Photoallergic Dermatitis

Chapter 428Phototoxic Dermatitis

Chapter 429Pigmented Follicular Cyst

Chapter 430Pigmented Purpuric Dermatoses

Chapter 431Pigmented Spindle Cell Nevus of Reed

Chapter 432Pilar Cyst

Chapter 433Pilar Sheath Acanthoma

Chapter 434Pilomatricoma

Chapter 435Pilomatrix Carcinoma

Chapter 436Pilonidal Sinus

Chapter 437Pitted Keratolysis

Chapter 438Pityriasis Alba

Chapter 439Pityriasis Amiantacea

Chapter 440Pityriasis Lichenoides et Varioliformis Acuta

Chapter 441Pityriasis Lichenoides Chronica

Chapter 442Pityriasis Rosea

Chapter 443Pityriasis Rubra Pilaris

Chapter 444Pityriasis Versicolor

Chapter 445Plasmacytoma

Chapter 446Pleomorphic Fibroma

Chapter 447Poikiloderma

Chapter 448Polyarteritis Nodosa

Chapter 449Polymorphous Light Eruption

Chapter 450Porocarcinoma

Chapter 451Poroma

Chapter 452Porokeratosis

Chapter 453Porphyria

Chapter 454Postinflammatory Pigment Alteration

Chapter 455Pretibial Myxedema

Chapter 456Primary Cutaneous Anaplastic Large Cell T-Cell Lymphoma

Chapter 457Primary Cutaneous Diffuse Large B-Cell Lymphoma-Leg Type

Chapter 458Primary Cutaneous Follicle Center Lymphoma

Chapter 459Primary Cutaneous Mantle Cell Lymphoma

Chapter 460Primary Cutaneous Marginal Zone Lymphoma

Chapter 461Proliferating Epidermal Inclusion Cyst

Chapter 462Proliferating Pilar Cyst

Chapter 463Progressive Nodular Histiocytosis

Chapter 464Protothecosis

Chapter 465Prurigo Nodularis

Chapter 466Pruritic Papules of HIV

Chapter 467Pruritic Urticarial Papules and Plaques of Pregnancy

Chapter 468Pseudocyst of Auricle

Chapter 469Pseudolymphoma

Chapter 470Pseudopelade of Brocq

Chapter 471Pseudoporhyria

Chapter 472Pseudoxanthoma Elasticum

Chapter 473Psoriasis

Chapter 474Purpura Fulminans

Chapter 475Purpura Senilis

Chapter 476Pyoderma Faciale

Chapter 477Pyoderma Gangrenosum

Chapter 478Pyogenic Granuloma

Part XVIIR

Chapter 479Radiation Dermatitis

Chapter 480Recurrent Nevus

Chapter 481Relapsing Polychondritis

Chapter 482Reticular Erythematous Mucinosis

Chapter 483Reticulohistiocytoma

Chapter 484Rhabdomyoma

Chapter 485Rhabdomyosarcoma

Chapter 486Rheumatoid Nodule

Chapter 487Rhinophyma

Chapter 488Rhinoscleroma

Chapter 489Rhinosporidiosis

Chapter 490Rosacea

Chapter 491Rosai Dorfman Disease

Part XVIIIS

Chapter 492Sarcoidosis

Chapter 493Scabies

Chapter 494Scar

Chapter 495Scarring Alopecia

Chapter 496Scleredema

Chapter 497Sclerema Neonatorum

Chapter 498Scleromyxedema

Chapter 499Sclerotic Fibroma

Chapter 500Schistosomiasis

Chapter 501Schwannoma

Chapter 502Sebaceoma

Chapter 503Sebaceous Adenoma

Chapter 504Sebaceous Carcinoma

Chapter 505Sebaceous Hyperplasia

Chapter 506Seborrheic Dermatitis

Chapter 507Seborrheic Keratosis

Chapter 508Solar Elastosis

Chapter 509Solar Lentigo

Chapter 510Special Site Nevus

Chapter 511Spider Angioma

Chapter 512Spiradenoma

Chapter 513Spiradenocarcinoma

Chapter 514Spitz Nevus

Chapter 515Splinter

Chapter 516Sporotrichosis

Chapter 517Squamous Cell Carcinoma

Chapter 518Staphylococcal Scalded Skin Syndrome

Chapter 519Steatocystoma

Chapter 520Striae Distansae

Chapter 521Strongyloidiasis

Chapter 522Stucco Keratosis

Chapter 523Subacute Cutaneous Lupus Erythematosus

Chapter 524Subcorneal Neutrophilic Pustulosis

Chapter 525Subcutaneous Fat Necrosis of the Newborn

Chapter 526Subcutaneous Panniculitis-Like T-Cell Lymphoma

Chapter 527Sunburn

Chapter 528Supernumerary Digit

Chapter 529Supernumerary Nipple

Chapter 530Suture Granuloma

Chapter 531Sweet's Syndrome

Chapter 532Synovial Cyst

Chapter 533Syphilis

Chapter 534Syringocystadenoma Papilliferum

Chapter 535Syringofibroadenoma

Chapter 536Syringoma

Part XIXT

Chapter 537Takayasu Arteritis

Chapter 538Talon Noir

Chapter 539Tattoo

Chapter 540Telangiectasias

Chapter 541Telangiectasia Macularis Eruptiva Perstans

Chapter 542Telogen Effluvium

Chapter 543Temporal Arteritis

Chapter 544Tick

Chapter 545Tinea

Chapter 546Tinea Nigra

Chapter 547Thromboangiitis Obliterans

Chapter 548Thrombophlebitis

Chapter 549Thymic Cyst

Chapter 550Thyroglossal Cyst

Chapter 551Toxic Epidermal Necrolysis

Chapter 552Traction Alopecia / Pressure Alopecia

Chapter 553Transient Neonatal Pustular Melanosis

Chapter 554Traumatic Fat Necrosis

Chapter 555Traumatic Neuroma / Amputation Neuroma

Chapter 556Traumatic Neuroma / Rudimentary Digit

Chapter 557Trichilemmal Carcinoma

Chapter 558Trichilemmoma

Chapter 559Trichilemmoma Desmoplastic

Chapter 560Trichoadenoma of Nikolowski

Chapter 561Trichoblastoma

Chapter 562Trichodiscoma

Chapter 563Trichoepithelioma

Chapter 564Trichoepithelioma Desmoplastic

Chapter 565Trichofolliculoma

Chapter 566Trichogerminoma

Chapter 567Trichostasis Spinulosa

Chapter 568Trichotillomania

Chapter 569Tuberculosis

Chapter 570Tubular Apocrine Adenoma

Chapter 571Tufted Hemangioma

Chapter 572Tumid Lupus

Chapter 573Tumor of Follicular Infundibulum

Chapter 574Tungiasis

Part XXU

Chapter 575Urachal Cyst

Chapter 576Urticaria

Chapter 577Urticarial Vasculitis

Chapter 578Urticaria Pigmentosa

Part XXIV

Chapter 579Vasculopathy

Chapter 580Vellus Hair Cyst

Chapter 581Venous Lake

Chapter 582Verruca Plana

Chapter 583Verruca Vulgaris

Chapter 584Verrucous Carcinoma

Chapter 585Viral Exanthema

Chapter 586Vitiligo

Part XXIIW

Chapter 587Warthy Dyskeratoma

Chapter 588Weber-Christian Disease

Chapter 589Wegener's Granulomatosis

Chapter 590Wells Syndrome

Chapter 591White Sponge Nevus

Part XXIIIX

Chapter 592Xanthogranuloma

Chapter 593Xanthoma / Xanthelasma

Part XXIVZ

Chapter 594Zoon's Balanitis / Vulvitis