Differential Diagnosis
DDx Strength: Weak
Shaft of penis, Multiple skin lesions Add or remove findings

Differential too broad. Edit Findings to refine your results.

Pearly penile papules

Pearly penile papulesPearly penile papules

Allergic contact dermatitis

Allergic contact dermatitisAllergic contact dermatitis

Fordyce spots

Fordyce spotsFordyce spots

Genital herpes simplex virus

Genital herpes simplex virusGenital herpes simplex virus

Genital wart

Genital wartGenital wart

Irritant contact dermatitis

Irritant contact dermatitisIrritant contact dermatitis

Lichen simplex chronicus

Lichen simplex chronicusLichen simplex chronicus

Molluscum contagiosum

Molluscum contagiosumMolluscum contagiosum

Psoriasis

PsoriasisPsoriasis

Scabies

ScabiesScabies

Seborrheic keratosis

Seborrheic keratosisSeborrheic keratosis

Vitiligo

VitiligoVitiligo

Lichen planus

Lichen planusLichen planus

Angioedema

AngioedemaAngioedema

Anogenital abrasion

Anogenital abrasion

Bowenoid papulosis

Bowenoid papulosisBowenoid papulosis

Chancroid

ChancroidChancroid

Median raphe cyst of penis

Median raphe cyst of penisMedian raphe cyst of penis

Penile melanosis and lentiginosis

Penile melanosis and lentiginosis

Sclerosing lymphangitis of the penis

Sclerosing lymphangitis of the penisSclerosing lymphangitis of the penis

Secondary syphilis

Secondary syphilisSecondary syphilis

Granuloma inguinale

Granuloma inguinaleGranuloma inguinale

Lymphogranuloma venereum

Lymphogranuloma venereumLymphogranuloma venereum

Behçet syndrome

Behçet syndromeBehçet syndrome

Fournier gangrene

Fournier gangreneFournier gangrene

Male genital candidiasis

Male genital candidiasisMale genital candidiasis

Common wart

Common wartCommon wart

Herpes zoster

Herpes zosterHerpes zoster

Inverse psoriasis

Inverse psoriasisInverse psoriasis

Fixed drug eruption

Fixed drug eruptionFixed drug eruption

Angiokeratoma

Angiokeratoma

Angiokeratoma of scrotum

Angiokeratoma of scrotumAngiokeratoma of scrotum

Balanoposthitis

BalanoposthitisBalanoposthitis

Erysipelas

ErysipelasErysipelas

Erythema multiforme

Erythema multiformeErythema multiforme

Erythroplasia of Queyrat

Erythroplasia of QueyratErythroplasia of Queyrat

Lichen sclerosus

Lichen sclerosusLichen sclerosus

Segmental vitiligo

Segmental vitiligoSegmental vitiligo

Skin abscess

Skin abscessSkin abscess

AIDS-associated Kaposi sarcoma

AIDS-associated Kaposi sarcomaAIDS-associated Kaposi sarcoma

Genital hemangioma

Genital hemangioma

Paraffinoma

ParaffinomaParaffinoma

Contact urticaria

Contact urticariaContact urticaria

Fabry disease

Fabry diseaseFabry disease

Mucous membrane pemphigoid

Mucous membrane pemphigoidMucous membrane pemphigoid

Pemphigus vulgaris

Pemphigus vulgarisPemphigus vulgaris

Porokeratosis (linear, Mibelli, plantar, ptychotropica)

Porokeratosis (linear, Mibelli, plantar, ptychotropica)Porokeratosis (linear, Mibelli, plantar, ptychotropica)

Reactive arthritis

Reactive arthritisReactive arthritis

Red scrotum syndrome

Red scrotum syndromeRed scrotum syndrome

Zoon plasma cell balanitis

Zoon plasma cell balanitisZoon plasma cell balanitis

Persistent painful penile fissure

Persistent painful penile fissure

Keratosis lichenoides chronica

Keratosis lichenoides chronica

Lichen nitidus

Lichen nitidusLichen nitidus

Tertiary syphilis

Tertiary syphilisTertiary syphilis

Diaper dermatitis candidiasis

Diaper dermatitis candidiasisDiaper dermatitis candidiasis

Diaper irritant contact dermatitis

Diaper irritant contact dermatitisDiaper irritant contact dermatitis

Intertrigo

IntertrigoIntertrigo

Postinflammatory hyperpigmentation

Postinflammatory hyperpigmentationPostinflammatory hyperpigmentation

Urticaria

UrticariaUrticaria

Anogenital scar

Anogenital scar