Differential Diagnosis
DDx Strength: Strong
Single skin lesion, Hyperpigmented macule, Black color, 13 - 19 year old Male Add or remove findings

Solar lentigo

Solar lentigoSolar lentigo

Lentigo simplex

Lentigo simplexLentigo simplex

Melanoma

MelanomaMelanoma

Blue nevus

Blue nevusBlue nevus

Acral lentiginous melanoma

Acral lentiginous melanomaAcral lentiginous melanoma

Common acquired nevus

Common acquired nevusCommon acquired nevus

Traumatic tattoo

Traumatic tattooTraumatic tattoo

Anorectal melanoma

Anorectal melanoma

Atypical nevus

Atypical nevusAtypical nevus

Spindle cell nevus

Spindle cell nevus

Speckled lentiginous nevus

Speckled lentiginous nevusSpeckled lentiginous nevus

Talon noir

Talon noirTalon noir

Black dermographism

Black dermographism

Agminated nevus

Agminated nevusAgminated nevus

Congenital melanocytic nevus

Congenital melanocytic nevusCongenital melanocytic nevus

Acrochordon

AcrochordonAcrochordon

Common wart

Common wartCommon wart

Plantar wart

Plantar wartPlantar wart

Penile melanosis and lentiginosis

Penile melanosis and lentiginosis

Carbuncle

CarbuncleCarbuncle

Deep penetrating nevus

Deep penetrating nevusDeep penetrating nevus

Spider bite

Spider biteSpider bite

Non-AIDS Kaposi sarcoma

Non-AIDS Kaposi sarcomaNon-AIDS Kaposi sarcoma

Angiokeratoma

Angiokeratoma

Seborrheic keratosis

Seborrheic keratosisSeborrheic keratosis

Café au lait spot

Café au lait spotCafé au lait spot

Drug-induced nevi

Drug-induced nevi

Atypical fibroxanthoma

Atypical fibroxanthomaAtypical fibroxanthoma

PAPA syndrome

PAPA syndrome

Dermatosis papulosa nigra

Dermatosis papulosa nigraDermatosis papulosa nigra

Spitz nevus

Spitz nevusSpitz nevus

Blastic plasmacytoid dendritic cell neoplasm

Blastic plasmacytoid dendritic cell neoplasm

Actinomycosis

ActinomycosisActinomycosis

Yaws

YawsYaws

Malignant proliferating trichilemmal tumor

Malignant proliferating trichilemmal tumor

Lichen simplex chronicus

Lichen simplex chronicusLichen simplex chronicus

Annular lichenoid dermatitis of youth

Annular lichenoid dermatitis of youth

Arthropod bite or sting

Arthropod bite or stingArthropod bite or sting

Cherry hemangioma

Cherry hemangiomaCherry hemangioma

Clavus

ClavusClavus

Epidermoid cyst

Epidermoid cystEpidermoid cyst

Flat wart

Flat wartFlat wart

Hordeolum and chalazion

Hordeolum and chalazionHordeolum and chalazion

Keloid

KeloidKeloid

Lobular capillary hemangioma

Lobular capillary hemangiomaLobular capillary hemangioma

Molluscum contagiosum

Molluscum contagiosumMolluscum contagiosum

Molluscum contagiosum (pediatric)

Molluscum contagiosum (pediatric)Molluscum contagiosum (pediatric)

Scar

ScarScar

Sebaceous hyperplasia

Sebaceous hyperplasiaSebaceous hyperplasia

Spider angioma

Spider angiomaSpider angioma

Supernumerary nipple

Supernumerary nippleSupernumerary nipple

Traumatic neuroma

Traumatic neuromaTraumatic neuroma

Basan syndrome

Basan syndrome

Bowenoid papulosis

Bowenoid papulosisBowenoid papulosis

AIDS-associated Kaposi sarcoma

AIDS-associated Kaposi sarcomaAIDS-associated Kaposi sarcoma

Ecthyma gangrenosum

Ecthyma gangrenosumEcthyma gangrenosum

Mycobacterium avium-intracellulare infection

Mycobacterium avium-intracellulare infectionMycobacterium avium-intracellulare infection

Nevus comedonicus

Nevus comedonicusNevus comedonicus

Old World cutaneous leishmaniasis

Old World cutaneous leishmaniasisOld World cutaneous leishmaniasis

Anal acrochordon

Anal acrochordon