Differential Diagnosis
DDx Strength: Weak
Neck, Multiple skin lesions Add or remove findings

Differential too broad. Edit Findings to refine your results.

Acanthosis nigricans

Acanthosis nigricansAcanthosis nigricans

Acne keloidalis nuchae

Acne keloidalis nuchaeAcne keloidalis nuchae

Poikiloderma of Civatte

Poikiloderma of CivattePoikiloderma of Civatte

Pseudoxanthoma elasticum

Pseudoxanthoma elasticumPseudoxanthoma elasticum

Lichen simplex chronicus

Lichen simplex chronicusLichen simplex chronicus

Tinea barbae

Tinea barbaeTinea barbae

Tinea versicolor

Tinea versicolorTinea versicolor

Allergic contact dermatitis

Allergic contact dermatitisAllergic contact dermatitis

Atopic dermatitis

Atopic dermatitisAtopic dermatitis

Cutis rhomboidalis nuchae

Cutis rhomboidalis nuchaeCutis rhomboidalis nuchae

Furunculosis

FurunculosisFurunculosis

Seborrheic keratosis

Seborrheic keratosisSeborrheic keratosis

Solar lentigo

Solar lentigoSolar lentigo

Tinea corporis

Tinea corporisTinea corporis

Urticaria

UrticariaUrticaria

Vitiligo

VitiligoVitiligo

Sarcoidosis

SarcoidosisSarcoidosis

Pityriasis rosea

Pityriasis roseaPityriasis rosea

Polymorphous light eruption

Polymorphous light eruptionPolymorphous light eruption

Skin abscess

Skin abscessSkin abscess

Pellagra

PellagraPellagra

Pseudolymphoma

PseudolymphomaPseudolymphoma

Dermatosis papulosa nigra

Dermatosis papulosa nigraDermatosis papulosa nigra

Solar elastosis (actinic elastosis)

Solar elastosis (actinic elastosis)Solar elastosis (actinic elastosis)

Viral exanthem

Viral exanthemViral exanthem

Arthropod bite or sting

Arthropod bite or stingArthropod bite or sting

Bullous impetigo

Bullous impetigoBullous impetigo

CA-MRSA skin infection

CA-MRSA skin infectionCA-MRSA skin infection

Common wart

Common wartCommon wart

Flat wart

Flat wartFlat wart

Folliculitis

FolliculitisFolliculitis

Gladiatorum herpes simplex virus

Gladiatorum herpes simplex virusGladiatorum herpes simplex virus

Guttate psoriasis

Guttate psoriasisGuttate psoriasis

Herpes zoster

Herpes zosterHerpes zoster

Intertrigo

IntertrigoIntertrigo

Irritant contact dermatitis

Irritant contact dermatitisIrritant contact dermatitis

Molluscum contagiosum

Molluscum contagiosumMolluscum contagiosum

Non-bullous impetigo

Non-bullous impetigoNon-bullous impetigo

Pityriasis alba

Pityriasis albaPityriasis alba

Psoriasis

PsoriasisPsoriasis

Scar

ScarScar

Seborrheic dermatitis

Seborrheic dermatitisSeborrheic dermatitis

Acrochordon

AcrochordonAcrochordon

Subacute cutaneous lupus erythematosus

Subacute cutaneous lupus erythematosusSubacute cutaneous lupus erythematosus

Exogenous ochronosis

Exogenous ochronosisExogenous ochronosis

Miliaria pustulosa

Miliaria pustulosa

Pseudofolliculitis barbae

Pseudofolliculitis barbaePseudofolliculitis barbae

Transient acantholytic dermatosis

Transient acantholytic dermatosisTransient acantholytic dermatosis

Acne excoriée

Acne excoriéeAcne excoriée

Acne vulgaris

Acne vulgarisAcne vulgaris

Autoeczematization

AutoeczematizationAutoeczematization

Bedbug bite

Bedbug biteBedbug bite

Black dermographism

Black dermographism

Cultural practices

Cultural practicesCultural practices

Discoid lupus erythematosus

Discoid lupus erythematosusDiscoid lupus erythematosus

Drug-induced phototoxic reaction

Drug-induced phototoxic reactionDrug-induced phototoxic reaction

Erysipelas

ErysipelasErysipelas

Erythroderma

ErythrodermaErythroderma

Keratinocytic epidermal nevus

Keratinocytic epidermal nevusKeratinocytic epidermal nevus

Lichen sclerosus

Lichen sclerosusLichen sclerosus