Diagnosis

Diagnosis Index

Click on a diagnosis to view related images and histories.

Chicken Pox
pemphigoid of pregnancy
Abscess
Acanthosis nigricans
Accessory tragus
Acne
Acne comedonal
Acne cystic
Acne fulminans
Acne Keloidalis Nuchae
Acne neonatorum
Acneiform eruption
Acquired Hemangioma
Acquired Nevus Flammeus
Acquired nevus flammeus
Acral lentiginous melanoma
Acrochordon
Acrodermatitis continua
Acrodermatitis enteropathica
Acropustulosis of Infancy
Actinic keratoses
Acute Generalized Exanthematous Pustulosis
Addison's disease
Adenoma sebaceum
Albino
Alezzandrini Syndrome
Allergic contact dermatitis
Alopecia areata
Alopecia areata, nail changes
Anetoderma
Angioedema
Angiokeratoma of the Scrotum
Angiokeratoma solitary
Angular cheilitis
Annular erythema
Annular lichen planus
Anogenital warts
Apert's syndrome
Aphthous ulcer
Aplasia cutis congenita
Apocrine hydrocystoma
Aquagenic urticaria
Arcus senilis
Arsenical hyperkeratoses
Arsenical keratoses
Artistic dermatology
Asteatotic eczema
Atopic dermatitis
Atopic dermatitis with cataract
Atrophoderma Vermiculatum
Atypical Fibroxanthoma
Axillary granular parakeratosis
Baghdad boil
Basal cell carcinoma
Basal cell nevus syndrome
Basal skin cancer, 'Rodent ulcer'
Basisquamous carcinoma
Bazex syndrome
B-cell lymphoma
Becker's Naevus
Benign Cephalic Histiocytosis
Berloque dermatitis
Black hairy tongue
Blue naevus, cellular
Blue nevus
Blue nevus
Blueberry muffin baby
Boil
Bowen's disease
Bromoderma
Buerger disease
Bullous fixed drug eruption
Bullous impetigo
Bullous pemphigoid
Bullous pemphigoid, Pemphigoid Gestationis
Bullous scabies
Café-au-lait spots
Calcinosis cutis
Calciphylaxis
Callosities
Candidiasis
Carbuncle - Staphylococcal, fluclox resistant
Carcinoma en cuirasse
Carotenemia
Cellulitis
Cement dermatitis
Chancre
Chancroid
Cheilitis glandularis
Cholinergic Urticaria
Chondrodermatitis nodularis helicis
Chromomycosis Chromoblastomycosis
Chronic actinic dermatitis
Chronic Benign Bullous Dermatosis of Childhood (CBBDC)
Chronic paronychia
Chronic Pustular psoriasis of pregnancy
Coccidioidomycosis
Cold urticaria
Collagenoma
Collagenous and elastotic marginal plaques
Collagenous papules of the ear
Collodion baby
Colloid milium
Condylomata accuminata
Confluent and reticulated papillomatosis
Congenital erythroderma
Congenital hairy nevus
Congenital Hypotrichosis
Congenital ichthyosiform erythroderma
Congenital melanocytic nevus
Congenital venous malformation
Conradi's disease
Contact dermatitis allergic
Contact dermatitis irritant
Cornu cutaneum
Cradle cap
Cryptococcosis
Cutaneous Larva Migrans (Creeping Eruption)
Cutaneous Leishmaniasis
Cutaneous meningioma
Cutis rhomboidalis nuchae
Cylindroma
Darier's disease
Darier's sign
Decubitus Ulcer
Dental Sinus
Dermatitis artefacta
Dermatitis cruris pustulosa et atrophicans (DCPA)
Dermatitis herpetiformis
Dermatofibroma
Dermatofibrosarcoma protuberans
Dermatographism
Dermatomyositis
Dermatophytide
Dermatophytosis
Dermatoscopy
Dermatosis papulosa nigra
Diabetic foot ulcer
Diabetic gangrene
Discoid eczema
discoid lupus erythematosus
Discoid lupus erythematosus
Dissecting cellulitis
Disseminated actinic porokeratoses
Disseminated DLE
Disseminated herpes zoster
Disseminated superficial actinic porokeratosis
Drug reaction
Dyshidrotic eczema
Dystrophic epidermolysis bullosa

Eccrine angiomatous hamartoma
Eccrine Hidrocystoma
Eccrine poroma
Ecthyma
Eczema atopic dermatitis
Eczema contact
Eczema craquelé
Eczema discoid
Eczema herpeticum
Eczema lichenified
Eczema of nipple and areola
Eczema varicose
Editors
Elephantiasis verrucosa nostrum
Epidermal nevus
Epidermodysplasia verruciformis
Epidermoid cysts
Epidermolysis bullosa
Epidermolysis bullosa
Epidermolytic hyperkeratosis
Erosive pustular dermatosis
Eruptive xanthomas
Erysipelas
Erysipeloid
Erythema Ab Igne
Erythema annulare centrifugum
Erythema chronicum migrans
Erythema elevatum diutinum
Erythema gyratum repens
Erythema induratum of Bazin
Erythema infectiosum
Erythema multiforme
Erythema nodosum
Erythrasma
Erythrodermic psoriasis
Erythromelalgia
Erythromelanosis Follicularis Faciei et Colli
Erythroplasia of Queyrat
Essential telangiectasia
Extramammary Paget's
Facial peeling skin syndrome
Familial hypercholesterolemia
Faun tail
Favre-Racouchot syndrome
Fibrous Papule of the Nose
Filariasis
Filiform facial warts
Firecracker burn
Fixed drug reaction
Flagellate Hyperpigmentation
Flegel's disease
Follicular Mucinosis
Folliculitis
Frictional lichenoid eruption of childhood
Frictional melanosis
Frontal fibrosing alopecia
Frostbite
Genital herpes
Genital warts
Gianotti-Crosti syndrome
Giant congenital melanocytic nevus
Giant congenital melanocytic nevus
Giant-cell tumour of tendon sheath
Glomus tumour
Gonorrhea
Gorlin's syndrome
Gougerot-Blum syndrome
Gout
Granuloma annulare
Granuloma inguinale
Gray patch
Gray patch tinea capiti
Green nail syndrome
Grover's disease
Hailey Hailey disease
Hair dye dermatitis
Halo nevus
Halo nevus
Hand Foot and Mouth Disease
Harlequin fetus
Hemangioma
Henoch Schonlein purpura
Heparin allergy
Hereditary Hemorrhagic Telangectasis
Herpes genitalis
Herpes labialis
Herpes simplex
Herpes Zoster
Herpetic whitlow
Hidradenitis suppurativa
Hirsutism
Histoplasmosis
Hunter syndrome
Hydroa vacciniforme
Hydrocystoma
Hyperhidrosis
Ichthyosis vulgaris hereditary
Idiopathic guttate hypomelanosis
Idiopathic Thrombocytopenic Purpura (ITP)
Impetigo contagiosa
Impetigo herpetiformis
Infantile atopic eczema
Infantile digital fibromatosis
Infantile seborrheic dermatitis
Inflammatory linear verrucous epidermal nevus
Insect bite reaction
Insect bite reaction 1
Intertrigo
Iododerma
Juvenile plantar dermatosis
Juvenile xanthogranuloma
Kaposi's sarcoma
Keloid
Keratoacanthoma
Keratoelastoidosis marginalis
Keratosis Palmaris et Plantaris
Keratosis pilaris
Kerion
Klippel-Trenaunay syndrome
Knuckle pads
Koebner phenomenon
KOH preparation
Kyrle disease
Lamellar ichthyosis
Langerhans cell histiocytosis
Leiomyoma
Leishmaniasis
Lentigo maligna melanoma (LMM)
Leprosy lepromatous
Leprosy tuberculoid
Leprosy type I reaction
Leukocytoclastic vasculitis
Leukonychia
Leukoplakia
Lichen Amyloidosis
Lichen nitidus
Lichen planopilaris
Lichen planus
Lichen planus actinicus
Lichen planus and vitiligo
Lichen planus annular
Lichen planus childhood
Lichen planus hypertrophic
Lichen planus nails
Lichen planus oral
Lichen planus pigmentosus
Lichen planus ulcerative
Lichen sclerosus
Lichen sclerosus et atrophicus
Lichen simplex chronicus (LSC)
Lichen spinulosus

Lichen Striatus
Lichenoid pigmented purpuric dermatitis of Gougerot-Blum
Linear epidermal nevus
Linear IgA disease
Linear Lichen Planus
Lip licker's dermatitis
Lipodermatosclerosis
Lipoid proteinosis
Lipoma
Livedo reticularis
Longitudinal erythronychia
Longitudinal melanonychia
Longtudinal melanonychia
Lupoid sycosis
Lupus Profundus
Lupus vulgaris
Lymphangioma circumscriptum
Lymphocytoma cutis
Lymphoma B Cell
Lymphoma Blastic NK cell type
Lymphoma T Cell
Lymphomatoid papulosis
Macular amyloidosis
Maffucci's syndrome
Major aphthous ulcer
Mammary Paget's disease
Mastitis
Mastocytoma
Measles
Median canaliform dystrophy
Meischer-Melkerson-Rosenthal Syndrome
Melanoma
Melasma
Melkersson-Rosenthal syndrome
Meningococcal septicaemia
Merkel cell carcinoma
Milia
Miliaria pustulosa
Miliaria rubra
Milroy's Disease
Minocycline pigmentation
Molluscum contagiosum
Mongolian spot
Monilethrix
Morphea
Mucocele
Mucormycosis
Multiple Becker's nevi
Multiple minute digitate hyperkeratoses
Multiple piloleiomyomas
Mycetoma
Mycosis fungoides
Napkin dermatitis
Necrobiosis lipoidica
Necrobiosis Lipoidica Diabeticorum, NLD
Necrolytic acral erythema
Necrotizing Fasciitis
Neonatal acne
Neonatal varicella
Netherton syndrome
Neurofibromatosis
Neurotic excoriations
Nevus achromicus
Nevus anemicus
Nevus comedonicus
Nevus depigmentosus
Nevus flammeus
Nevus giant melanocytic
Nevus giganteus
Nevus of Ota
Nevus sebaceous
Nevus spilus
North American Blastomycosis
Norwegian Scabies
Ochronosis
Oculocutaneous Albinism
Onycholysis
Onychomycosis
Oral fibroma
Oral pigmentation
Orf
Orf and erythema multiforme
Orf and erythema multiforme
Orocutaneous fistula
Pachydermoperiostosis
Paget's disease of nipple and areola
Palmoplantar keratoderma acquired
Palmoplantar keratoderma, hereditary
Papilloma virus
Papillon Lefevre syndrome
Papular mucinosis
Papular urticaria
Papular-purpuric gloves and socks syndrome
Papulonecrotic tuberculids
Paraphimosis
Parapsoriasis
Pearly penile papules
Pediculosis capitis
Pellagra
Pemphigoid bullous
Pemphigoid gestationis
Pemphigus
Pemphigus vegetans
Pemphigus vulgaris
Perforating granuloma annulare
Perifollicular fibromas
Perifolliculitis capitis abscedens et suffodiens
Perioral dermatitis
Perioral hypopigmentation
Periungual fibroma
Perniosis
Peutz-Jeghers syndrome
Photodynamic Therapy
Phototoxic reaction
Phytophotodermatitis
Piebaldism
Piezogenic pedal papules
Pigmented basal cell carcinoma
Pigmented fungiform papillae of the tongue
Pilomatricoma
Pincer nail
Pitted keratolysis
Pityriasiform lichenoid eczema
Pityriasis alba
Pityriasis lichenoides
Pityriasis lichenoides chronica
Pityriasis lichenoides et varioliformis acuta
Pityriasis rosea
Pityriasis rubra pilaris
Pityriasis versicolor
Pityrosporum folliculitis
Plane wart
Plant contact dermatitis
Poikiloderma of Civatte
Polymorphous light eruption
Pompholyx
Porokeratosis
Porokeratosis of Mibelli
Porphyria cutanea tarda
Port-wine stain
Postinflammatory hyperpigmentation
PPD reaction
Pretibial myxedema
Progeria
Progressive systemic sclerosis
Prurigo nodularis
Prurigo nodularis1
Pruritic urticarial papules and plaques of pregnancy
Pruritic Urticarial Papules and Plaques of Pregnancy (PUPPP)
Pruritus Scroti
Pseudofolliculitis barbae

Pseudopelade of Brocq
Pseudoporphyria
Pseudoxanthoma elasticum
Psoriasis
Psoriasis & Vitiligo
Psoriasis erythrodermic
Psoriasis guttate
Psoriasis Inversa
Psoriasis linear
Psoriasis nails
Psoriasis palmoplantar
Psoriasis pustular
Psoriasis rupioid
Psoriatic keratoderma
Punctate keratoderma
Purpura
Purpura Aplastic anemia
Purpuric drug eruption
Pyoderma faciale
Pyoderma gangrenosum
Pyogenic granuloma
Rat bite
Reactive perforating collagenosis
Recurrent BCC
Recurrent palmar peeling
Relapsing Polychondritis
Rendu-Osler-Weber Syndrome
Reticular erythematous mucinosis
Reticulate Acropigmentation of Dohi
Rosacea
Sarcoidosis
Scabetic nodules
Scabies
Scabies crusted
Scarlet fever
SCC & LP
Schamberg's disease
Schimmelpenning syndrome
Scleredema
Scleroatrophic syndrome of Huriez
Sclerodermoid PCT
Scrofuloderma
Scrofuloderma with herpes zoster
Sebaceous carcinoma
Sebaceous hyperplasia
Sebopsoriasis
Seborrheic dermatitis
Seborrhoeic erythroderma
Seborrhoeic keratosis
Secondary Syphilis
Segmental vitiligo
Senile comedones
Senile lentigines
Senile purpura
Shagreen plaque
Skin cancer other
Smooth muscle hamartoma
Snake's bite
Spider angioma
Spider bite
Sporotrichosis
Squamous cell carcinoma
Staphylococcal infection bullous
Staphylococcal pyoderma
Staphylococcal scalded skin
Staphylococcal scalded skin syndrome
Stasis dermatitis
Steroid acne
Steroid induced acne
Steroid induced rosacea
Stevens Johnson syndrome
Strawberry nevus
Striae distensae
Subacute lupus erythematosus
Subcorneal pustular dermatosis
Sunburn
Supernumerary digit
Supernumerary nipples
Surgical complications
Sweet's Syndrome
Sycosis barbae
Syphilis
Syringoma
Systemic amyloidosis
Systemic lupus erythematosus
Systemic lupus erythematosus in childhood
Systemic sclerosis
Tattoo
Tattoo reaction
Terry's nails
Then and Now
Thromboangiitis obliterans
Tinea barbae
Tinea capitis
Tinea circinata
Tinea corporis
Tinea cruris
Tinea faciei
Tinea imbricata
Tinea incognito
Tinea manum
Tinea nigra
Tinea pedis
Tinea unguium
Tinea versicolor
Tooth discoloration
Toxic epidermal necrolysis
Transient neonatal pustular melanosis
Trichoepithelioma
Trichoepithelioma desmoplastic
Trichofolliculoma
Trichomycosis axillaris
Trichorrhexis nodosa
Trichostasis spinulosa
Trichotillomania
Trichrome vitiligo
Trigeminal trophic syndrome
Trophic Ulcer
Tropical acne
Tuberculoid leprosy
Tuberculosis verrucosa cutis
Tuberous sclerosis
Tuberous sclerosis complex
Tuberous xanthoma
Tufted hair folliculitis
Twenty-nail dystrophy
Unilateral laterothoracic exanthem
Urticaria
Urticaria Pigmentosa
Urticarial vasculitis
Varicella
Varicose ulcer
Vasculitis
Verruca plana
Verruca vulgaris
Verrucous haemangioma
Vitiligo
Vitiligo repigmentation
Vohwinkel syndrome
Von Recklinghausen's disease
Wart & Darier's disease
Warts
Warty Dyskeratoma
Wasp sting
Xanthelasma
Xanthogranuloma
Xanthoma
Xeroderma pigmentosum
Zoon's balanitis
Zosteriform verrucous epidermal nevus