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

Herpetic whitlow

2/2
Herpetic whitlowHerpetic whitlow

Allergic contact dermatitis

2/2
Allergic contact dermatitisAllergic contact dermatitis

Atopic dermatitis

2/2
Atopic dermatitisAtopic dermatitis

Candidiasis

2/2
CandidiasisCandidiasis

Dyshidrotic dermatitis

2/2
Dyshidrotic dermatitisDyshidrotic dermatitis

Hand dermatitis

2/2
Hand dermatitisHand dermatitis

Herpes simplex virus

2/2
Herpes simplex virusHerpes simplex virus

Irritant contact dermatitis

2/2
Irritant contact dermatitisIrritant contact dermatitis

Psoriasis

2/2
PsoriasisPsoriasis

Raynaud phenomenon

2/2
Raynaud phenomenonRaynaud phenomenon

Myxoid cyst

2/2
Myxoid cystMyxoid cyst

Crusted scabies

2/2
Crusted scabiesCrusted scabies

Hereditary hemorrhagic telangiectasia

2/2
Hereditary hemorrhagic telangiectasiaHereditary hemorrhagic telangiectasia

Rheumatoid vasculitis

2/2
Rheumatoid vasculitisRheumatoid vasculitis

Skin abscess

2/2
Skin abscessSkin abscess

Systemic lupus erythematosus

2/2
Systemic lupus erythematosusSystemic lupus erythematosus

Tuberous sclerosis

2/2
Tuberous sclerosisTuberous sclerosis

Glucagonoma syndrome

2/2
Glucagonoma syndromeGlucagonoma syndrome

Acrodermatitis continua of Hallopeau

2/2
Acrodermatitis continua of Hallopeau

Buerger disease

2/2
Buerger diseaseBuerger disease

Cholesterol emboli

2/2
Cholesterol emboliCholesterol emboli

Chronic graft-versus-host disease

2/2
Chronic graft-versus-host diseaseChronic graft-versus-host disease

Chronic mucocutaneous candidiasis

2/2
Chronic mucocutaneous candidiasisChronic mucocutaneous candidiasis

Cryofibrinogenemia

2/2
CryofibrinogenemiaCryofibrinogenemia

Dermatomyositis

2/2
DermatomyositisDermatomyositis

Langerhans cell histiocytosis

2/2
Langerhans cell histiocytosisLangerhans cell histiocytosis

Mycobacterium marinum infection

2/2
Mycobacterium marinum infectionMycobacterium marinum infection

Orf

2/2
OrfOrf

Pustular psoriasis

2/2
Pustular psoriasisPustular psoriasis

Reactive arthritis

2/2
Reactive arthritisReactive arthritis

Scleroderma

2/2
SclerodermaScleroderma

Scopulariopsis

2/2
ScopulariopsisScopulariopsis

Acrokeratosis paraneoplastica

2/2
Acrokeratosis paraneoplasticaAcrokeratosis paraneoplastica

Amicrobial pustulosis of the folds

2/2
Amicrobial pustulosis of the folds

Blistering distal dactylitis

2/2
Blistering distal dactylitisBlistering distal dactylitis

Granulomatosis with polyangiitis

2/2
Granulomatosis with polyangiitisGranulomatosis with polyangiitis

Hyperimmunoglobulinemia E syndrome

2/2
Hyperimmunoglobulinemia E syndromeHyperimmunoglobulinemia E syndrome

Keratosis lichenoides chronica

2/2
Keratosis lichenoides chronica

Multicentric reticulohistiocytosis

2/2
Multicentric reticulohistiocytosisMulticentric reticulohistiocytosis

Toxic erythema of chemotherapy

2/2
Toxic erythema of chemotherapy

GATA2 deficiency

2/2
GATA2 deficiency

Nail biting

1/2
Nail bitingNail biting

Periungual wart

1/2
Periungual wartPeriungual wart

Atypical nevus

1/2
Atypical nevusAtypical nevus

Bacterial paronychia

1/2
Bacterial paronychiaBacterial paronychia

Candidal paronychia

1/2
Candidal paronychiaCandidal paronychia

Common wart

1/2
Common wartCommon wart

Congenital melanocytic nevus

1/2
Congenital melanocytic nevusCongenital melanocytic nevus

Cutaneous squamous cell carcinoma

1/2
Cutaneous squamous cell carcinomaCutaneous squamous cell carcinoma

Dermatitis of nail folds

1/2
Dermatitis of nail foldsDermatitis of nail folds

Lobular capillary hemangioma

1/2
Lobular capillary hemangiomaLobular capillary hemangioma

Melanoma

1/2
MelanomaMelanoma

Nail polish damage

1/2
Nail polish damageNail polish damage

Squamous cell carcinoma in situ

1/2
Squamous cell carcinoma in situSquamous cell carcinoma in situ

Chronic paronychia

1/2
Chronic paronychiaChronic paronychia

Drug-induced paronychia

1/2
Drug-induced paronychiaDrug-induced paronychia

Felon

1/2
FelonFelon

Acral lentiginous melanoma

1/2
Acral lentiginous melanomaAcral lentiginous melanoma

Artificial nail damage

1/2
Artificial nail damageArtificial nail damage

Hairdresser's nails

1/2
Hairdresser's nailsHairdresser's nails

Nail candidiasis

1/2
Nail candidiasisNail candidiasis

Onychomadesis

1/2
OnychomadesisOnychomadesis

Onychotillomania

1/2
OnychotillomaniaOnychotillomania

Pseudomonas nail infection

1/2
Pseudomonas nail infectionPseudomonas nail infection

Subungual melanoma

1/2
Subungual melanoma

Verrucous carcinoma

1/2
Verrucous carcinomaVerrucous carcinoma

Clubbing of nails

1/2
Clubbing of nailsClubbing of nails

Giant cell tumor of tendon sheath

1/2
Giant cell tumor of tendon sheathGiant cell tumor of tendon sheath

Glomus tumor

1/2
Glomus tumorGlomus tumor

Nail pterygium

1/2
Nail pterygiumNail pterygium

Superficial acral fibromyxoma

1/2
Superficial acral fibromyxoma

Amelanotic melanoma

1/2
Amelanotic melanomaAmelanotic melanoma

Pesticide-induced nail changes

1/2
Pesticide-induced nail changesPesticide-induced nail changes

Onychomatricoma

1/2
Onychomatricoma