Dermatology

Allergic Contact Dermatitis to Medicines (Medicaments) including active ingredients and vehicles (Contact Dermatitis, Medication)

Allergic Contact Dermatitis: Preservatives

Amoebiasis (amoeba cutis, acanthamoebiasis, entamoebiasis)

Anagen Effluvium

Angioedema – Hereditary and Acquired

Angiofibroma

Angiokeratomas Mibelli and Fordyce

Angiolipoma

Angioma serpiginosum

Angiosarcoma (Malignant hemangioendothelioma, Hemangiosarcoma, Lymphangiosarcoma, Wilson-Jones angiosarcoma, Senile angiosa)

Anhidrotic (hypohidrotic) ectodermal dysplasia

Annular Elastolytic Giant Cell Granuloma

Anthrax (Cutaneous Anthrax)

Antiphospholipid antibody syndrome

Apert Syndrome (acrocephalosyndactyly, type 1)

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

Aplasia Cutis Congenita (congenital skin anomaly)

Argininosuccinic Aciduria

Argyria (Argyrosis, Argyriasis, Amalgam tattoo)

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)

Atopic Dermatitis (Atopic Eczema)

Atrophie Blanche (Atrophie alba, Atrophie blanche en plaque, Atrophie blanche of Milian, Hyalinizing segmental vasculitis, Livedoid vasculopathy, Livedoid vasculitis, Livedo reticularis with summer ulceration, PURPLE [Painful purpuric ulcers with reticular patterning on the lower extremities])

Atrophoderma of Pasini and Pierini

Atypical fibroxanthoma (pseudocarcinoma, fibrosarcoma, paradoxical fibrosarcoma, pseudosarcomatous dermatofibroma, pseudosarcomatous xanthofibroma, pseudosarcomatous reticulohistiocytoma)

Atypical mycobacterial infections (Nontuberculous Mycobacterial Infections)

Auriculotemporal nerve syndrome / Frey syndrome/Gustatory sweating

Autoimmune progesterone dermatitis and Autoimmune estrogen dermatitis

Axillary granular parakeratosis

Bacillary Angiomatosis (epithelioid angiomatosis)

Balanitis xerotica obliterans (lichen sclerosus)

Basal Cell Carcinoma

Basal Cell Nevus Syndrome (Gorlin syndrome, Gorlin-Goltz syndrome, nevoid basal cell carcinoma syndrome [NBCCS])

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

Bedbugs (Arthropod reaction)

Behcet's syndrome (Behcet's disease)

Benign cephalic histiocytosis (infantile papular self-healing histiocytosis of the head)

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

Blau Syndrome (Jabs Syndrome, Early Onset Sarcoidosis)

Blistering Distal Dactylitis

Bloom Syndrome

Blue nevus (Common, Dendritic, Cellular Blue Nevus)

Blue rubber bleb nevus syndrome (Bean syndrome)

Body Dysmorphic Disorder (Dermatologic Non-Disease and Dysmorphophobia)

Botryomycosis (Bacterial pseudomycosis, Granular bacteriosis, Staphylococcic actinophytosis)

Bowen's disease (Squamous Cell Carcinoma In Situ; erythroplasia of Queyrat; Squamous Cell Carcinoma In Situ of the Penis)

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

Brachioradial Pruritus

Brooke-Spiegler syndrome

Bullous Pemphigoid (pemphigoid gestationis, herpes gestationis)

Bullous congenital ichthyosiform erythroderma (epidermolytic hyperkeratosis, keratinopathic ichthyosis)

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

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

Café-au-lait macules

Calcinosis Cutis (Benign Cutaneous Calcification, Benign Nodular Calcification)

Calciphylaxis (Calcific uremic arteriolopathy)

Candidiasis (Candidosis)

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

Carvajal syndrome

Cat Scratch Disease (Bartonella Infection)

Cellulitis and Erysipelis

Chagas Disease (American Trypanosomiasis)

Chancroid

Cheilitis, actinic (Actinic cheilitis, solar cheilitis, actinic cheilosis, cheilitis actinica, cheilosis actinica, actinic keratosis of the lip, solar keratosis of the lip, cheilitis exfoliativa)

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)

Churg Strauss vasculitis (Churg Strauss granulomatosis (CSG); Churg Strauss syndrome; Allergic granulomatosis; ANCA-associated vasculitis); Eosinophilic granulomatosis with polyangiitis

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

Coccidioidomycosis (Valley fever)

Cockayne Syndrome (Neill-Dingwall Syndrome)

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

Condyloma acuminatum (Genital warts)

Confluent and reticulated papillomatosis of Gougerot and Carteaud (Gougerot and Carteaud Papillomatosis, Confluent and Reticular Papillomatosis)

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

Congenital melanocytic nevus

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, Airborne (Ragweed Dermatitis; Dermatitis due to other chemical products – acids, alkalis, dichromate, insecticide, plastic, rubber, nylon; Dermatitis due to food in contact with the skin, eg, flour; Dermatitis due to paint, other solvents)

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

Crusted (exaggerated, Norwegian) scabies

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)

Cryptococcosis

Cutaneous Blastomycosis

Cutaneous Cholesterol Emboli (Cholesterol Emboli)

Cutaneous Delusional Disorders (Delusional Disorder, Somatic Type. Delusions of Parasitosis, Ekbom's Disease, Morgellons Disease, Body Dysmorphic Disorder)

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

Cutaneous Larva Migrans (creeping eruption, creeping verminous dermatitis, ground itch, sand worm eruption, hookworm folliculitis, plumber’s itch)

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

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

Cutis verticis gyrata

Cylindromas (Benign neoplasm of skin)

Cytomegalovirus infection

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)

Decubitus Ulcer (Chronic ulcer of skin, pressure ulcer, bedsore, pressure sore, tissue necrosis, decubiti, decubitus, trophic ulcer, decubitus ominosus/chronicus, cuticular necrosis, skin ulcer)

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)

Dengue (Dengue Fever, Breakbone Fever)

Dermal melanocytosis (previously known as Mongolian spot)

Dermatitis Artefacta (Factitial Dermatitis, Including Factitial Ulcers)

Dermatitis Herpetiformis (Duhring disease)

Dermatofibroma (Fibrous histiocytoma)

Dermatofibrosarcoma protuberans

Dermatomyofibroma (plaque-like dermal fibromatosis)

Dermatomyositis

Dermatophytosis

Dermatosis papulosa nigra

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

Diabetic dermopathy (Pigmented pretibial patches of diabetes mellitus)

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

Dupuytren's Contracture (Dupuytren's disease/diathesis, morbus Dupuytren, palmar fibromatosis, Viking disease)

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.

Dystrophic Epidermolysis Bullosa (EB hereditaria dystrophica)

Eccrine Spiradenoma (Spirodenoma)

Ecthyma

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 Annular Erythema

Eosinophilic Fasciitis (Shulman Disease, Diffuse Fasciitis with Eosinophilia)

Eosinophilic Pustular Folliculitis (Ofuji’s Disease)

Ephelides (freckles)

Epidermal Nevus syndromes

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

Epidermolysis Bullosa Simplex (localized EBS; Weber-Cockayne; Dowling-Meara (EBS herpetiformis)

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

Eruptive Nevi

Erysipeloid (Erysipeloid of Rosenbach, Rosenbach’s disease, Baker-Rosenbach disease, Pseudoerysipelas; "Swine erysipelas" in Great Britain, "Rouget du porc" in France and "Mal rossino" in Italy)

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)

Erythrasma

Erythroderma (Exfoliative dermatitis)

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

Erythrokeratolysis heimalis (keratolytic winter erythema, Oudtshoorn disease)

Erythromelalgia (Erythermalgia)

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)

Heavy Metal Dermatoses: Arsenic

Levamisole vasculopathy/vasculitis

Limited cutaneous systemic sclerosis (Scleroderma, CREST syndrome)

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)

Occupational Contact Dermatitis (dermatitis occupational, dermatitis due to oils and greases, dermatitis due to other chemical products [acids, alkalis, caustics, dichromate, insecticide, nylon, plastic, rubber], dermatitis due to food in contact with skin [cereals, fish, flour, fruit, meat, milk], dermatitis due to plants [ivy, oak, sumac, vine, primrose, ragweed, other], dermatitis due to paint)

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

Peeling Skin Syndrome

Pilar cysts (trichilemmal cyst, tricholemmal cyst, wen)

Porocarcinoma (Malignant Poroma, Eccrine Porocarcinoma, Apocrine Porocarcinoma, Malignant Eccrine Poroma)

Poroma (Eccrine Poroma, Hidroacanthoma Simplex, Dermal Duct Tumor)

Rubber Allergy, Allergic Contact Dermatitis (Contact dermatitis, rubber)

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])

Vohwinkel Syndrome

Wells syndrome (eosinophilic cellulitis)

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