Differential Diagnosis
DDx Strength: Weak
Anti-helical rim of ear, Multiple skin lesions Add or remove findings

Differential too broad. Edit Findings to refine your results.

Actinic keratosis

Actinic keratosisActinic keratosis

Cellulitis

CellulitisCellulitis

Seborrheic dermatitis

Seborrheic dermatitisSeborrheic dermatitis

Seborrheic keratosis

Seborrheic keratosisSeborrheic keratosis

Polymorphous light eruption

Polymorphous light eruptionPolymorphous light eruption

Angiolymphoid hyperplasia with eosinophilia

Angiolymphoid hyperplasia with eosinophiliaAngiolymphoid hyperplasia with eosinophilia

Relapsing polychondritis

Relapsing polychondritisRelapsing polychondritis

Allergic contact dermatitis

Allergic contact dermatitisAllergic contact dermatitis

Common wart

Common wartCommon wart

Gout

GoutGout

Keratoacanthoma

KeratoacanthomaKeratoacanthoma

Non-bullous impetigo

Non-bullous impetigoNon-bullous impetigo

Black dermographism

Black dermographism

Physical urticaria

Physical urticaria

Chilblains

ChilblainsChilblains

Cocaine levamisole toxicity

Cocaine levamisole toxicityCocaine levamisole toxicity

Elastosis perforans serpiginosa

Elastosis perforans serpiginosaElastosis perforans serpiginosa

Leprosy

LeprosyLeprosy

Papular mucinosis

Papular mucinosisPapular mucinosis

Porphyria cutanea tarda

Porphyria cutanea tardaPorphyria cutanea tarda

Ramsay-Hunt syndrome

Ramsay-Hunt syndromeRamsay-Hunt syndrome

Weathering nodules of ear

Weathering nodules of ear

Hemangioendothelioma

Hemangioendothelioma

Trichodysplasia spinulosa

Trichodysplasia spinulosa

Café au lait spot

Café au lait spotCafé au lait spot

Furunculosis

FurunculosisFurunculosis

Vitiligo

VitiligoVitiligo

Rheumatoid nodule

Rheumatoid noduleRheumatoid nodule

Skin abscess

Skin abscessSkin abscess

Spitz nevus

Spitz nevusSpitz nevus

Tinea faciei

Tinea facieiTinea faciei

Chondrodermatitis nodularis helicis

Chondrodermatitis nodularis helicisChondrodermatitis nodularis helicis

Cutaneous horn

Cutaneous hornCutaneous horn

Cutaneous squamous cell carcinoma

Cutaneous squamous cell carcinomaCutaneous squamous cell carcinoma

Epidermoid cyst

Epidermoid cystEpidermoid cyst

Keloid

KeloidKeloid

Lentigo maligna

Lentigo malignaLentigo maligna

Nodular basal cell carcinoma

Nodular basal cell carcinomaNodular basal cell carcinoma

Acute generalized exanthematous pustulosis

Acute generalized exanthematous pustulosisAcute generalized exanthematous pustulosis

AIDS-associated Kaposi sarcoma

AIDS-associated Kaposi sarcomaAIDS-associated Kaposi sarcoma

Malignant otitis externa

Malignant otitis externaMalignant otitis externa

Ochronosis

OchronosisOchronosis

Primary cutaneous anaplastic large cell lymphoma

Primary cutaneous anaplastic large cell lymphoma

Lentigo maligna melanoma

Lentigo maligna melanomaLentigo maligna melanoma

Perichondritis

PerichondritisPerichondritis

Pseudocyst of auricle

Pseudocyst of auriclePseudocyst of auricle

Chronic hematoma of pinna

Chronic hematoma of pinnaChronic hematoma of pinna

Arthropod bite or sting

Arthropod bite or stingArthropod bite or sting

Molluscum contagiosum

Molluscum contagiosumMolluscum contagiosum

Postinflammatory hyperpigmentation

Postinflammatory hyperpigmentationPostinflammatory hyperpigmentation

Raynaud phenomenon

Raynaud phenomenonRaynaud phenomenon

Telangiectasia

TelangiectasiaTelangiectasia

Acne vulgaris

Acne vulgarisAcne vulgaris

Angiokeratoma

Angiokeratoma

Bedbug bite

Bedbug biteBedbug bite

Postinflammatory hypopigmentation

Postinflammatory hypopigmentationPostinflammatory hypopigmentation

Atypical nevus

Atypical nevusAtypical nevus

Blue nevus

Blue nevusBlue nevus

Common acquired nevus

Common acquired nevusCommon acquired nevus

Melanoma

MelanomaMelanoma