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Interactive Dermatology Atlas Diagnosis Lesion Characteristics Hold CTRL to select multiple values Diagnosis abscess acanthosis nigricans acne Acne keloidalis acne keloidalis scars acne neonatorum acne rosacea acne vulgaris acrochordon acromegaly actinic cheilitis Actinic comedones actinic keratosis age spots albinism allergic reaction alopecia areata alopecia, androgenic alopecia, scarring alopecia, telogen effluvium angioedema angioma angioma, spider angular cheilitis aphthous ulcers apocrine hidrocystoma athlete's foot atopic dermatitis atypical mycobacterium infection bacillary angiomatosis, cutaneous barnacles of aging basal cell carcinoma, nodular basal cell carcinoma, pigmented basal cell carcinoma, recurrent basal cell carcinoma, rodent ulcer basal cell carcinoma, sclerosing (morpheaform) basal cell carcinoma, superficial Bowen's disease Breast Cancer bulla, unknown cause bullous pemphigoid burn, second degree cafe au lait spot callus candidiasis carbuncle/furuncle cat-scratch disease cellulitis chancroid cherry angioma chicken pox chiggers chlamydia chondrodermatitis nodularis helicis cicatricial pemphigoid clubbing condyloma acuminata condyloma lata conjunctivitis contact dermatitis, allergic contact dermatitis, irritant contact dermatitis, neomycin contact dermatitis, nickel contact dermatitis, poison ivy or oak corn coumadin necrosis cutaneous horn cutaneous larva migrans cutaneous T-cell lymphoma cyst, epidermal cyst, pilar Darier's disease dental caries dermatitis herpetiformis dermatofibroma dermatofibrosarcoma protuberans dermatosis papulosa nigra diaper dermatitis diaper dermatitis, irritant dilantin side-effect drug reaction dry skin dyshidrotic eczema eczema eczema herpeticum eczema, dyshidrotic eczema, hands eczema, nummular ehlers-danlos syndrome elephantiasis ephelides epidermal cyst epidermolysis bullosa eruptive xanthomas erysipelas erythema annulare centrifugum erythema infectiosum erythema multiforme erythema nodosum erythema toxicum neonatorum erythrasma erythroderma exfoliative strep factitial dermatitis fibroma fibrous papule folliculitis food allergy foot ulcer, diabetic foot ulcer, neuropathic fordyce’s condition freckles gangrene gingival hyperplasia gonorrhea gout graft-vs-host reaction granuloma annulare gynecomastia heat rash hemangioma, cavernous hemangioma, strawberry hematoma Henoch-Schonlein Purpura Hereditary hemorrhagic telangiectasias herpes simplex type I herpes simplex type II hidradenitis suppurativa HIV/AIDS hives hottub folliculitis human bite human papilloma (HPV) hyperhidrosis ichthyosis id reaction idiopathic guttate hypomelanosis impetigo insect bite iritis Kaposi's sarcoma Kawasaki's disease keloid keratoacanthoma keratosis pilaris kerion knuckle pads Labial melanotic macule leishmaniasis lentigines lentigo maligna lentigo simplex Leopard syndrome leprosy leukocytoclastic vasculitis lice, body lice, crab lice, head lichen nitidus lichen planus lichen sclerosus lichen simplex chronicus lichen simplex et atrophicus lichen striatus linear epidermal nevus lipoma lupus erythematosis, discoid lupus erythematosus, systemic lupus, neonatal Lyme disease mastitis McCune Albright syndrome melanoma, acral lentiginous melanoma, amelanotic melanoma, in-situ melanoma, lentigo maligna melanoma, nodular melanoma, superficial spreading melasma milia miliaria molluscum contagiosum mongolian spot mucocele mucous cyst mycosis fungoides myxoid cyst necrobiosis lipoidica neurodermatitis neurofibroma neurofibromatosis neurotic excoriations nevus nevus sebaceous nevus spilus nevus, atypical nevus, blue nevus, congenital nevus, dermal nevus, dysplastic nevus, epidermal nevus, halo nevus, intradermal nevus, speckled onycholysis onychomycosis onychoschizia oral hairy leukoplakia Osler weber rendu Osler-Weber-Rendu osteoarthritis osteomyelitis Pagets disease palmar erythema paronychia peau d'orange pemphigoid gestationis pemphigus vulgaris perioral dermatitis perleche petechiae Peutz-Jegher disease pitted keratolysis pityriasis alba pityriasis lichenoides pityriasis rosea pityriasis rubra pilaris poison ivy or oak pompholyx porokeratosis porphyria cutanea tarda prurigo nodularis pruritic urticarial papules of pregnancy (PUPP) pruritus ani pseudofolliculitis barbae pseudofolliculitus pseudomonas infection of nail pseudoxanthoma elasticum psoriasis psoriasis of nail psoriasis, inverse psoriatic arthritis PUPP pyoderma gangrenosum pyogenic granuloma razor bumps rheumatoid arthritis rheumatoid nodule rhinophyma rhus dermatitis rosacea sarcoidosis scabies scar, hypertrophic scarlet fever Schamberg's disease scleroderma, localized sebaceous cyst sebaceous hyperplasia seborrheic dermatitis seborrheic keratosis senile angioma senile comedone shingles skin tag solar keratosis spider veins squamous cell carcinoma stasis dermatitis stasis ulcer strawberry tongue stucco keratosis stye subungual hematoma sun spots sunburn supernumerary nipple swimming pool granuloma syphilis syringoma telangiectasias tinea capitus tinea capitus with kerion tinea corporis tinea cruris tinea incognito tinea mannum tinea of the face tinea pedis tinea versicolor traction blister trauma trichoepithelioma trichotillomania of the scalp tuberous sclerosis urticaria urticaria multiforme urticaria pigmentosa uveitis vaccine reaction varicella varicella, breakthrough vasculitis verruca plana verruca vulgaris vitiligo wart, plantar warts, common warts, flat warts, genital Wegener's granulomatosis xanthelasma xanthomas xerosis zoster Alternate Diagnosis abscess acanthosis nigricans acne Acne keloidalis acne keloidalis scars acne neonatorum acne rosacea acne vulgaris acrochordon acromegaly actinic cheilitis Actinic comedones actinic keratosis age spots albinism allergic reaction alopecia areata alopecia, androgenic alopecia, scarring alopecia, telogen effluvium angioedema angioma angioma, spider angular cheilitis aphthous ulcers apocrine hidrocystoma athlete's foot atopic dermatitis atypical mycobacterium infection bacillary angiomatosis, cutaneous barnacles of aging basal cell carcinoma, nodular basal cell carcinoma, pigmented basal cell carcinoma, recurrent basal cell carcinoma, rodent ulcer basal cell carcinoma, sclerosing (morpheaform) basal cell carcinoma, superficial Bowen's disease Breast Cancer bulla, unknown cause bullous pemphigoid burn, second degree cafe au lait spot callus candidiasis carbuncle/furuncle cat-scratch disease cellulitis chancroid cherry angioma chicken pox chiggers chlamydia chondrodermatitis nodularis helicis cicatricial pemphigoid clubbing condyloma acuminata condyloma lata conjunctivitis contact dermatitis, allergic contact dermatitis, irritant contact dermatitis, neomycin contact dermatitis, nickel contact dermatitis, poison ivy or oak corn coumadin necrosis cutaneous horn cutaneous larva migrans cutaneous T-cell lymphoma cyst, epidermal cyst, pilar Darier's disease dental caries dermatitis herpetiformis dermatofibroma dermatofibrosarcoma protuberans dermatosis papulosa nigra diaper dermatitis diaper dermatitis, irritant dilantin side-effect drug reaction dry skin dyshidrotic eczema eczema eczema herpeticum eczema, dyshidrotic eczema, hands eczema, nummular ehlers-danlos syndrome elephantiasis ephelides epidermal cyst epidermolysis bullosa eruptive xanthomas erysipelas erythema annulare centrifugum erythema infectiosum erythema multiforme erythema nodosum erythema toxicum neonatorum erythrasma erythroderma exfoliative strep factitial dermatitis fibroma fibrous papule folliculitis food allergy foot ulcer, diabetic foot ulcer, neuropathic fordyce’s condition freckles gangrene gingival hyperplasia gonorrhea gout graft-vs-host reaction granuloma annulare gynecomastia heat rash hemangioma, cavernous hemangioma, strawberry hematoma Henoch-Schonlein Purpura Hereditary hemorrhagic telangiectasias herpes simplex type I herpes simplex type II hidradenitis suppurativa HIV/AIDS hives hottub folliculitis human bite human papilloma (HPV) hyperhidrosis ichthyosis id reaction idiopathic guttate hypomelanosis impetigo insect bite iritis Kaposi's sarcoma Kawasaki's disease keloid keratoacanthoma keratosis pilaris kerion knuckle pads Labial melanotic macule leishmaniasis lentigines lentigo maligna lentigo simplex Leopard syndrome leprosy leukocytoclastic vasculitis lice, body lice, crab lice, head lichen nitidus lichen planus lichen sclerosus lichen simplex chronicus lichen simplex et atrophicus lichen striatus linear epidermal nevus lipoma lupus erythematosis, discoid lupus erythematosus, systemic lupus, neonatal Lyme disease mastitis McCune Albright syndrome melanoma, acral lentiginous melanoma, amelanotic melanoma, in-situ melanoma, lentigo maligna melanoma, nodular melanoma, superficial spreading melasma milia miliaria molluscum contagiosum mongolian spot mucocele mucous cyst mycosis fungoides myxoid cyst necrobiosis lipoidica neurodermatitis neurofibroma neurofibromatosis neurotic excoriations nevus nevus sebaceous nevus spilus nevus, atypical nevus, blue nevus, congenital nevus, dermal nevus, dysplastic nevus, epidermal nevus, halo nevus, intradermal nevus, speckled onycholysis onychomycosis onychoschizia oral hairy leukoplakia Osler weber rendu Osler-Weber-Rendu osteoarthritis osteomyelitis Pagets disease palmar erythema paronychia peau d'orange pemphigoid gestationis pemphigus vulgaris perioral dermatitis perleche petechiae Peutz-Jegher disease pitted keratolysis pityriasis alba pityriasis lichenoides pityriasis rosea pityriasis rubra pilaris poison ivy or oak pompholyx porokeratosis porphyria cutanea tarda prurigo nodularis pruritic urticarial papules of pregnancy (PUPP) pruritus ani pseudofolliculitis barbae pseudofolliculitus pseudomonas infection of nail pseudoxanthoma elasticum psoriasis psoriasis of nail psoriasis, inverse psoriatic arthritis PUPP pyoderma gangrenosum pyogenic granuloma razor bumps rheumatoid arthritis rheumatoid nodule rhinophyma rhus dermatitis rosacea sarcoidosis scabies scar, hypertrophic scarlet fever Schamberg's disease scleroderma, localized sebaceous cyst sebaceous hyperplasia seborrheic dermatitis seborrheic keratosis senile angioma senile comedone shingles skin tag solar keratosis spider veins squamous cell carcinoma stasis dermatitis stasis ulcer strawberry tongue stucco keratosis stye subungual hematoma sun spots sunburn supernumerary nipple swimming pool granuloma syphilis syringoma telangiectasias tinea capitus tinea capitus with kerion tinea corporis tinea cruris tinea incognito tinea mannum tinea of the face tinea pedis tinea versicolor traction blister trauma trichoepithelioma trichotillomania of the scalp tuberous sclerosis urticaria urticaria multiforme urticaria pigmentosa uveitis vaccine reaction varicella varicella, breakthrough vasculitis verruca plana verruca vulgaris vitiligo wart, plantar warts, common warts, flat warts, genital Wegener's granulomatosis xanthelasma xanthomas xerosis zoster Diagnostic Category benign growth benign growth : otherinfections infections : bacterialinfections : fungalinfections : otherinfections : viralinflammatory-immunologic inflammatory-immunologic : bacterialinflammatory-immunologic : eczematousinflammatory-immunologic : fungalinflammatory-immunologic : othermalignant malignant : basal cell carcinomamalignant : melanomamalignant : squamous cell carcinomaother other : otherpigmentation pilosebaceous premalignant Search only on diagnosis Hold CTRL to select multiple values Lesion Color Any Color black black-blue blue brown cyanotic dark brown dark grey depigmented erythematous green grey greyish brown hemorrhagic homogenous honey-yellow hyperpigmented hypopigmented light brown orange pale pale red pink purple red serous skin-colored white yellow yellowish-red Primary Morphology Any Type abscess alopecia bulla callous comedones cyst desquamation edema hyperkeratosis hyperpigmentation hypertrophy hypopigmentation keratosis macule malodorous mucus patch nodule onycholysis papule patch petechiae pitting plaque purpura pustule swelling telangiectasia vesicle wheal xerosis Secondary Morphology Any Morphology atrophy crust erosion excoriation fissure lichenification scale ulcer Localization (Major) Anywhere total body head trunk anogenital region arms hands legs feet Localization (Minor) Descriptors Any Descriptor annular asymmetric black dots burrows confluent cratered erythema exudative flat grouped irregular border pearly pedunculated raised rough serpiginous smooth stuck on umbilicated variable color verrucous well demarcated Palpation Any Palpation bumpy deep firm flat fluctuant hard irregular nodular rough scaly smooth soft superficial tender velvety warm Search only on lesion characteristics Patient Demographics Treatments Hold CTRL to select multiple values Age Group All ages Infant Child Adolescent Young Adult Middle Aged Senior Ethnicity All ethnicities Asian/Pacific Islander Black Caucasian Hispanic/Latino Native American Gender Either Male Female Search only on patient demographics Hold CTRL to select multiple values Treatment All Treatments 5-Fluorouracil Accutane (isotretinoin) Acitretin oral acne surgery Acyclovir Admit to hospital Aldara (imiquimod) aluminum chloride powder amputation Anthralin topical Antibiotics, IV Antifungal, systemic (oral) Antifungal, topical Antihistamine, non-sedative Antihistamine, sedating Anti-retrovirals Antivirals (Acyclovir/Famciclovir/Valacyclovir) aspiration Aspirin Aveeno bath Avoid/remove exposure Azaleic acid (Azalex) cream azathioprine Azithromycin Bactroban, topical Benadryl (diphenhydramine) Benzamycin gel, topical Benzathine Penicillin G 2.4 million units IM Benzoyl Peroxide, topical 10% Benzoyl Peroxide, topical 2.5-5% Calamine lotion Calcipotriene (Dovonex) topical solution Ceftriaxone Cephalexin chemotherapy -oral Ciprofloxacin, oral Clean bedsheets, linens and clothing Clean hot tub or jacuzzi clobetasol 0.05% cream Clotrimazole (Lotrimin) cream 1%, topical compression stockings cosmetic coverup Cryosurgery Curettage and Dessication cut fingernails cyclophosphamide cyclosporine Dapsone diabetes treatment Dicloxacillin diet - nutrition Differin (adapalene) gel Dovonex (calcipotriene), topical doxepin Doxycycline Electrosurgery Elevate affected extremity Elliptical excision Emollient Epinephrine, SQ or IM Erythromycin, oral Erythromycin, topical Eucerin cream Explain disease process Famciclovir Fluconazole, oral 400 mg once Gluten-free diet Griseofulvin H2-blocking agent Hydrocortisone cream 1% Hydrocortisone Lotion 1% Hydrocortisone ointment 1% Hydroquinone 3% hydroxychloroquine, oral Incise and drain area Indocin Intralesional steroid injection Keep hands dry Keflex Keratolytic/emollient (Lac-Hydrin) Ketoconazole, cream Ketoconazole, oral Ketoconazole, shampoo Kwell (Lindane) Lactic acid (Lac-Hydrin) laser ablation lipid lowering meds Methotrexate, oral Metronidazole, topical Minimize sun exposure and use sunscreen Minocycline, oral Mohs Micrographic surgery No good treatments available No treatment available NSAID Observation Oral contraceptive pill Penicillin VK oral Permethrin Petroleum Jelly, apply prn photochemotherapy, PUVA Podofilox soln or gel Prednisone Punch excision Reassurance Recommend insect extermination Referral to other specialty Retin-A (tretinoin), Micro Safe sex counseling salicylic acid, topical Selenium Sulfate Shave biopsy Shave excision Silvadene cream Snip excision Steroid cream, high-potency Steroid ointment, high-potency Steroid scalp solution, high potency Stop or limit intake of alcoholic beverages Stop taking the offending medication. Suggest appropriate workplace changes Suggest hygiene changes Sulfacetamide (eyedrops) sulfasalazine Tazarotene (Tazorac) gel, topical Terbinafine Tetracycline, oral Thiabendazole, topical tretinoin topical Triamcinolone cream 0.1% Triamcinolone ointment 0.1% Trichloroacetic acid (TCA) topically urea, topically (Carmol) UV light therapy Valacyclovir weight loss Wound care Search only on treatments Choose optional criteria above, and click "Start Search" to generate a list of images found in the atlas. Search on ALL categories [view references] The Interactive Dermatology Atlas web site does not define a standard of care, nor is it intended to dictate an exclusive course of diagnosis, treatment or management. Description of images and cases are provided for informational and educational purposes only and are not intended as medical advice. This information should not substitute for a visit or consultation with a healthcare provider.