Dermatology

Acquired Digital Fibrokeratoma (Acral Fibrokeratoma)

Acrodermatitis enteropathica (Brandt syndrome, Danbolt – Close syndrome, Danbolt syndrome, Danbolt’s syndrome, Hereditary acrodermatitis enterohepatica, Primary zinc malabsorption)

Acrokeratosis Paraneoplastica (Bazex’s Syndrome)

Acrokeratosis verruciformis of Hopf (Acrokeratosis Verruciformis)

Actinic prurigo (solar dermatitis, solar prurigo, hereditary polymorphic light eruption, familial actinic prurigo)

Actinic purpura

Actinomycosis

Addison’s Disease

Adiposis Dolorosa (Dercum’s disease)

Aging Skin (photoaging skin)

Alopecia – traction

Amoebiasis (amoeba cutis, acanthamoebiasis, entamoebiasis)

Anagen Effluvium

Angiofibroma

Angiokeratomas Mibelli and Fordyce

Angiolipoma

Angioma serpiginosum

Anthrax (Cutaneous Anthrax)

Antiphospholipid antibody syndrome

Aphthous Stomatitis (Canker Sores, Recurrent Aphthous Stomatitis, Simple Aphthosis, Complex Aphthosis)

Aplasia Cutis Congenita (congenital skin anomaly)

Aquagenic wrinkling of the palms (aquagenic acrokeratoderma)

Argininosuccinic Aciduria

Arsenic toxicity (Arsenicism, Arsenicosis, Arsenical Keratoses, Arsenical pigmentation, Mees' lines

Arthropod Bite reaction (Bug Bite, Insect Bite, Insect Sting)

Asteatotic Dermatitis (Eczema Craquelé)

Ataxia Telangiectasia (Louis-Bar syndrome)

Atrophoderma of Pasini and Pierini

Atypical mycobacterial infections (Nontuberculous Mycobacterial Infections)

Auriculotemporal nerve syndrome / Frey syndrome/Gustatory sweating

Axillary granular parakeratosis

Bacillary Angiomatosis (epithelioid angiomatosis)

Balanitis xerotica obliterans (lichen sclerosus)

Basal Cell Carcinoma

Basex-Dupre-Christol syndrome

Beau's Lines

Becker's nevus (Becker's melanosis, Becker's pigmentary hamartoma, nevoid melanosis, pigmented hairy epidermal nevus)

Beckwith-Wiedmann Syndrome

Birt-Hogg-Dubé syndrome (Hornstein-Knickenberg syndrome)

Blau Syndrome (Jabs Syndrome, Early Onset Sarcoidosis)

Bloom Syndrome

Botryomycosis (Bacterial pseudomycosis, Granular bacteriosis, Staphylococcic actinophytosis)

Bowenoid Papulosis (Penile Intraepithelial Neoplasia, Squamous Intraepithelial Lesion, Squamous Cell Carcinoma In Situ)

Bronchogenic Cysts

Brooke-Spiegler syndrome

Bullous congenital ichthyosiform erythroderma (epidermolytic hyperkeratosis, keratinopathic ichthyosis)

Bullous diabeticorum (bullous disease of diabetes, diabetic bullae, phlyctenar lesions)

Bullous drug eruptions (dermatitis due to drugs and medicines taken internally)

Burns, Thermal/Heat (fire, steam, hot objects or hot liquids)

Buschke-Ollendorff syndrome (dermatofibrosis lenticularis disseminata, connective tissue nevus with osteopoikilosis)

Café-au-lait macules

Carney Complex (Carney Syndrome, NAME Syndrome, LAMB Syndrome)

Carvajal syndrome

Cat Scratch Disease (Bartonella Infection)

Cellulitis and Erysipelis

Central Centrifugal Cicatricial Alopecia (Hot comb alopecia, Follicular degeneration syndrome, Scarring alopecia of African-American women, Hot oil alopecia, Cosmetic alopecia, Central elliptical pseudopelade)

Chagas Disease (American Trypanosomiasis)

Chancroid

Chediak-Higashi Syndrome

Cherry angioma (Cherry hemangioma, Senile Angioma, Campbell-De Morgan spot)

Cholestasis of pregnancy (jaundice of pregnancy, obstetric cholestasis, and prurigo gravidarum)

Chondrodermatitis Nodularis Helicis (Chondrodermatitis, Chondrodermatitis nodularis chronica helicis, Chondrodermatitis nodularis chronica helicis et antihelicis, Ear corn)

Chondroid syringoma (Mixed tumor of the skin)

Chromoblastomycosis

Chronic Mucocutaneous Candidiasis (candidiasis of unspecified site), unspecified disorder of immune mechanism)

Chronic actinic dermatitis (persistent light reaction, actinic reticuloid, photosensitivity dermatitis, photosensitive eczema, photosensitivity and actinic reticuloid (PD/AR) syndrome)

Clear cell acanthoma (Pale cell acanthoma, Degos acanthoma, and Acanthome cellules claires of Degos and Civatte)

Cockayne Syndrome (Neill-Dingwall Syndrome)

Colloid Milium

Coma Blister (Comma bullae, drug-induced coma blisters, barbiturate blisters, neurologic blisters)

Congenital Ichthyosiform Erythroderma (Nonbullous Congenital Ichthyosiform Erythroderma, Autosomal Recessive Congenital Ichthyosis)

Connective tissue nevus (collagenoma, elastoma, nevus mucinosis)

Conradi-Hünermann syndrome (CDPX2, chondrodysplasia punctata 2; chondrodysplasia punctata, X-linked dominant form; Conradi-Hünermann-Happle syndrome, Happle syndrome)

Contact Dermatitis, Devices/Implants

Contact Dermatitis, Plants

Contact Urticaria Syndrome (Contact Urticaria, Nonimmunologic Contact Urticaria, Immunologic Contact Urticaria, Protein Contact Dermatitis)

Corn/callus (singular: callus, callosity, tyloma; plural: callosities, tylomas, tylomata) Clavus (clavi; singular: clavus, corn, heloma; plural: corns, helomas, helomata)

Cowden Syndrome (PTEN Hamartoma Tumor Syndrome, Multiple Hamartoma Syndrome, Bannayan-Riley-Ruvalcaba Syndrome, Lhermitte-Duclos Syndrome)

Cowpox

Cronkhite-Canada Syndrome

Cryofibrinogenemia (cold-related gelling or agglutination, Cutaneous manifestations of microvascular occlusion syndromes

Cryoglobulinemia (Cold-related gelling, Cold- related agglutination, Cutaneous manifestations of microvascular occlusion syndromes, Cryoglobulinemic syndrome [clinically asymptomatic]), Cryoglobulinemic vasculitis (clinically apparent disease process)

Cryopyrin Associated Periodic Syndrome (Familial Cold Urticaria, Familial Cold Autoinflammatory Syndrome, Muckle Wells Syndrome, Neonatal Onset Multisystem Inflammatory Disorder, Chronic Infantile Neurologic Cutaneous and Articular Syndrome)

Cryptococcosis

Cushing's Syndrome

Cutaneous Cholesterol Emboli (Cholesterol Emboli)

Cutaneous Endometriosis (umbilical endometriosis,cicatricial endometriosis, endometrioma, or ectopic endometrial tissue)

Cutaneous Reactive Angiomatoses (Angioendotheliomatosis, Diffuse Dermal Angiomatosis, Acroangiodermatitis)

Cutaneous ciliated cyst(Cutaneous Mullerian cyst)

Cutaneous leishmaniasis

Cutaneous lupus mucinosis (Papulonodular mucinosis, papular and nodular mucinosis of lupus, papular and nodular mucinosis of Gold)

Cutaneous lymphoid hyperplasia (lymphocytoma cutis, lymphadenosis benigna cutis, cutaneous lymphoplasia, pseudolymphoma of Spiegler-Fendt)

Cutaneous signs of child abuse (Child abuse)

Cutis Laxa – Acquired

Cutis Marmorata Telangiectatica Congenita

Dabska tumor (Dabska-type Hemangioendothelioma Endovascular Papillary Angioendothelioma, Hobnail Hemangioendothelioma, Malignant Endovascular Papillary Angioendothelioma, Papillary Intralymphatic Angioendothelioma)

Darier's disease (Darier-White Disease, Dyskeratosis follicularis, Keratosis follicularis)

Degos Disease (Kohlmeier Disease, Degos-Kohlmeier Disease, Malignant atrophic papulosis, benign atrophic papulosis, Malignant atrophic papulosis)

Demodicidosis (Other acariasis, including chiggers and Demodex folliculorum or Trombicula infestation)

Dermal melanocytosis (previously known as Mongolian spot)

Dermatitis Herpetiformis (Duhring disease)

Dermatofibroma (Fibrous histiocytoma)

Dermatology

Dermatomyofibroma (plaque-like dermal fibromatosis)

Dermatophytosis

DiGeorge Syndrome (deletion 22q11.2; Velo-Cardio-Facial Syndrome; thymic hypoplasia; CATCH 22)

Diaper dermatitis (diaper or napkin dermatitis, erythema)

Dissecting cellulitis of the scalp (perifolliculitis abscedens et suffodiens, Hoffman disease, dissecting folliculitis, follicular occlusion triad)

Disseminated Intravascular Coagulation (DIC, consumptive coagulopathy, purpura fulminans)

Dowling-Degos Disease (Reticular Pigmented Anomaly of the Flexures)

Down Syndrome

Dyshidrotic Dermatitis

Dyskeratosis Congenita

Dystrophia Unguium Mediana Canaliformis (Canaliform dystrophy of the nails, Canal-like median dystrophy, Dystrophia mediana canaliformis, Dystrophia unguium mediana canaliformis of Heller, Lateral canal-like dystrophy, longitudinal single nail groove, Median canaliform dystrophy, median canaliform nail dystrophy, median canal-like dystrophy of the nail, median nail dystrophy, naevus striatus symmetricus of the thumbs.

Eccrine Spiradenoma (Spirodenoma)

Ecthyma

Ecthyma gangrenosum (dermatitis gangrenosa infantum, disseminated cutaneous gangrene, pemphigus gangrenosus, rupia escharotica; Septicemia due to Pseudomonas)

Eczema Herpeticum (Kaposi Varicelliform Eruption)

Eczema Vaccinatum

Ehlers-Danlos syndrome

Elastosis perforans serpiginosa(Elastosis Perforans Serpiginosum, Lutz-Meischer Disease)

Elephantiasis (Filarias Induced Elephantiasis)

Encephalocele (Cephalocele; Encephalocystocele; Encephalomyelocele; Hydroencephalocele; Hydromeningocele, cranial; Meningocele; Meningoencephalocele)

Eosinophilic Pustular Folliculitis (Ofuji’s Disease)

Ephelides (freckles)

Epidermal (infundibular) cysts

Epidermal Nevus syndromes

Epidermal Nevus, including Inflammatory Linear Verrucous Epidermal Nevus (Nevus Verrucosus, Dermatitic Epidermal Nevus)

Erosive Pustular Dermatitis Of The Scalp (Erosive pustulosis of the scalp, Erosive pustular dermatosis of the scalp, Pustular dermatitis of the scalp)

Eruptive Nevi

Eruptive vellus hair cyst

Erythema Elevatum Diutinum

Erythema Induratum (Erythema induratum of Bazin, Nodular Vasculitis)

Erythema Infectiousum (Fifth Disease, Slapped Cheek Syndrome)

Erythema Marginatum [Erythema marginatum rheumaticum, Erythema annulare rheumaticum]

Erythema Migrans /Lyme Disease (Erythema Chronicum Migrans)

Erythema Nodosum Leprosum (Leprosy)

Erythema Toxicum Neonatorum (Toxic erythema of the newborn, Toxic erythema)

Erythema ab Igne (Toasted skin syndrome, fire stains, ephelis ignealis, erythema ab calore)

Erythema multiforme

Erythema nodosum

Erythrasma

Erythroderma (Exfoliative dermatitis)

Erythrokeratodermia variabilis (erythrokeratodermia figurate Variabilis, erythrokeratoderma congenitals progressiva symmetrica, erythrokeratoderma progressive)

Erythrokeratolysis heimalis (keratolytic winter erythema, Oudtshoorn disease)

Erythromelalgia (Erythermalgia)

Erythropoietic Protoporphyria (Protoporphyria, Heme synthetase deficiency, Ferrochelatase deficiency, X-linked dominant protoporphyria [XLDPP], Erythrohepatic protoporphyria [no longer used])

Essential Fatty Acid Deficiency

Extramedullary Hematopoiesis

Eyelid Dermatitis (xeroderma of the eyelids, eczema of the eyelids, atopic dermatitis, allergic contact dermatitis, irritant contact dermatitis, seborrheic dermatitis of the eyelids)

Fabry Disease (Anderson-Fabry Disease, Alpha-Galactosidase A Deficiency, Angiokeratoma Corporis Diffusum, Ceramide Trihexosidase Deficiency, Fabry's Disease, GLA Deficiency, Hereditary Dystopic Lipidosis)

Familial Cutaneous Leiomyomatosis (FCL) (Hereditary Multiple Leiomyomas, Hereditary Leiomyomatosis and Renal Cell Cancer [HLRCC], Multiple Cutaneous and Uterine Leiomyomatosis, Reed Syndrome)

Familial Dysautonomia (Riley-Day Syndrome)

Familial Mediterranean Fever

Favre-Racouchot Syndrome (Nodular Elastosis [Elastoidosis] with Cysts and Comedones, Senile or Solar Comedones, Smokers' Comedones)

Fibroepithelioma of Pinkus

Fibroma, soft (Skin Tag, Acrochordon, Fibroma Molle, Fibroepithelial Polyp)

Fibrosarcoma (Soft-Tissue Sarcoma, Fibroblastic Sarcoma)

Fixed Drug Eruption (FDE)

Follicular Mucinosis (Alopecia Mucinosa)

Green Nail Syndrome (GNS, Pseudomonas nail infection, chloronychia, green striped nails, chromonychia)

Heavy Metal Dermatoses: Arsenic

Hidrocystoma (Apocrine and Eccrine Hidrocystoma)

Hot Foot Syndrome (Pseudomonas Hot-Foot and Hand Syndrome, Pseudomonas Hot-Foot Syndrome)

Hot tub folliculitis (Pseudomonas Folliculitis, Hot tub rash, Pseudomonas dermatitis)

Human African Trypanosomiasis (African Trypanosomiasis, African Sleeping Sickness)

Keratitis-Icthyosis-Deafness Syndrome/KID Syndrome

Lymphedema

Median Raphe Cyst [genitoperineal raphe cyst, mucous cyst of the penis, or parameatal raphe cyst)

Melanocytic Nevi, Including Atypical Nevi (Dysplastic Nevi, Nevus with Architectural disorder and Cytologic Atypia)

Mucous Cysts (mucoid cyst, mucinous pseudocyst, myxomatous cutaneous cyst, synovial cyst, periungual ganglion, nail cyst, digital myxoid cyst, cutaneous myxoid cyst

Necrotic Drug eruptions (Heparin-induced skin necrosis; warfarin-induced skin necrosis (Coumadin® necrosis)

Paget's Disease of the Breast and Extramammary Paget's Disease

Physical urticarias (adrenergic urticaria, cholinergic urticaria, pressure urticaria, dermographism)

Pilar cysts (trichilemmal cyst, tricholemmal cyst, wen)

Pretibial Myxedema (Thyroid Dermopathy)

Proliferating trichilemmal tumor (proliferating tricholemmal tumor, proliferating pilar cyst)

Psoriasis

Retronychia

Rubinstein – Taybi Syndrome (Rubinstein syndrome, broad thumb-hallux syndrome, broad thumbs and great toes, characteristic facies and mental retardation)

Seabather’s eruption

Superficial acral fibromyxoma

Swimmer’s ear (otitis externa, infection of the external ear canal)

Systemic Amyloidosis with Cutaneous Manifestations (Amyloidosis, Primary Systemic Amyloidosis, AL Amyloidosis)

Systemic Contact Dermatitis (Contact Dermatitis, Systemic; Baboon syndrome; Fisher's systemic contact dermatitis; Systemic contact-type dermatitis; Hematogenous contact eczema; Symmetrical Drug-Related Intertriginous and Flexural Exanthem [SDRIFE] Systemic reactivation of allergic contact dermatitis [RCD])

Verruciform xanthoma

Von Hippel-Lindau syndrome (retinocerebral angiomatosis)

Warty dyskeratoma (isolated dyskeratosis follicularis, follicular dyskeratoma)

Wells syndrome (eosinophilic cellulitis)

Werner syndrome

Wiskott-Aldrich Syndrome (Wiskott-Aldrich-Huntley syndrome, eczema-thrombocytopenia-immunodeficiency syndrome)

X-linked Agammaglobulinemia (Congenital Agammaglobulinemia, Bruton's Agammaglobulinemia

Xanthelasma (xanthelasma palpebrarum)

Xanthoma

Xanthoma disseminatum (xanthogranuloma disseminatum)

Xanthoma, eruptive (hyperchylomicronemia, Fredrickson type I hyperlipoproteinemia, Fredrickson type V hyperlipoproteinemia)

Xanthoma, tendon

Xanthoma, tuberous (Tuberoeruptive xanthoma)

Xanthomas, plane (planar xanthoma, palmar xanthoma, intertriginous xanthoma, diffuse xanthoma, xanthelasma)

Zoon’s balanitis (balanitis circumscripta plasmacellularis)