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

Differential too broad. Edit Findings to refine your results.

Common wart

Common wartCommon wart

Gout

GoutGout

Herpetic whitlow

Herpetic whitlowHerpetic whitlow

Tinea manus

Tinea manus

Allergic contact dermatitis

Allergic contact dermatitisAllergic contact dermatitis

Arthropod bite or sting

Arthropod bite or stingArthropod bite or sting

Flat wart

Flat wartFlat wart

Hand dermatitis

Hand dermatitisHand dermatitis

Irritant contact dermatitis

Irritant contact dermatitisIrritant contact dermatitis

Lichen simplex chronicus

Lichen simplex chronicusLichen simplex chronicus

Psoriasis

PsoriasisPsoriasis

Periungual wart

Periungual wartPeriungual wart

Lichen planus

Lichen planusLichen planus

Myxoid cyst

Myxoid cystMyxoid cyst

Rheumatoid nodule

Rheumatoid noduleRheumatoid nodule

Skin abscess

Skin abscessSkin abscess

Acrodermatitis continua of Hallopeau

Acrodermatitis continua of Hallopeau

Mycobacterium marinum infection

Mycobacterium marinum infectionMycobacterium marinum infection

Orf

OrfOrf

Sporotrichosis

SporotrichosisSporotrichosis

Acroosteolysis

AcroosteolysisAcroosteolysis

Blistering distal dactylitis

Blistering distal dactylitisBlistering distal dactylitis

Hand, foot, and mouth disease

Hand, foot, and mouth diseaseHand, foot, and mouth disease

Keratosis lichenoides chronica

Keratosis lichenoides chronica

Symmetrical lividity of the palms or soles

Symmetrical lividity of the palms or solesSymmetrical lividity of the palms or soles

Actinic keratosis

Actinic keratosisActinic keratosis

Cellulitis

CellulitisCellulitis

Dyshidrotic dermatitis

Dyshidrotic dermatitisDyshidrotic dermatitis

Postinflammatory hyperpigmentation

Postinflammatory hyperpigmentationPostinflammatory hyperpigmentation

Raynaud phenomenon

Raynaud phenomenonRaynaud phenomenon

Vitiligo

VitiligoVitiligo

Chilblains

ChilblainsChilblains

Erysipeloid

ErysipeloidErysipeloid

Focal acral hyperkeratosis

Focal acral hyperkeratosisFocal acral hyperkeratosis

Knuckle pads

Knuckle padsKnuckle pads

Scytalidium dermatomycosis

Scytalidium dermatomycosis

Felon

FelonFelon

Generalized severe epidermolysis bullosa simplex

Generalized severe epidermolysis bullosa simplexGeneralized severe epidermolysis bullosa simplex

Milker's nodules

Milker's nodulesMilker's nodules

Lobular capillary hemangioma

Lobular capillary hemangiomaLobular capillary hemangioma

Palmoplantar pustulosis

Palmoplantar pustulosisPalmoplantar pustulosis

Acral erythema

Acral erythemaAcral erythema

Cutaneous angioleiomyoma

Cutaneous angioleiomyoma

Papular-purpuric gloves and socks syndrome

Papular-purpuric gloves and socks syndromePapular-purpuric gloves and socks syndrome

Acrokeratoelastoidosis

AcrokeratoelastoidosisAcrokeratoelastoidosis

Atypical nevus

Atypical nevusAtypical nevus

Bacterial paronychia

Bacterial paronychiaBacterial paronychia

Callus

CallusCallus

Candidal paronychia

Candidal paronychiaCandidal paronychia

Cutaneous squamous cell carcinoma

Cutaneous squamous cell carcinomaCutaneous squamous cell carcinoma

Melanoma

MelanomaMelanoma

Squamous cell carcinoma in situ

Squamous cell carcinoma in situSquamous cell carcinoma in situ

Tenosynovitis

TenosynovitisTenosynovitis

Richner-Hanhart syndrome

Richner-Hanhart syndromeRichner-Hanhart syndrome

Spiny keratoderma

Spiny keratoderma

Acral lentiginous melanoma

Acral lentiginous melanomaAcral lentiginous melanoma

Subungual melanoma

Subungual melanoma

Chronic paronychia

Chronic paronychiaChronic paronychia

Erythronychia

Erythronychia

Ganglion cyst

Ganglion cystGanglion cyst