Differential Diagnosis
DDx Strength: None
Temporal scalp, Multiple skin lesions Add or remove findings

Allergic contact dermatitis

2/2
Allergic contact dermatitisAllergic contact dermatitis

Cellulitis

2/2
CellulitisCellulitis

Factitial ulcer

2/2
Factitial ulcerFactitial ulcer

Folliculitis

2/2
FolliculitisFolliculitis

Furunculosis

2/2
FurunculosisFurunculosis

Keratoacanthoma

2/2
KeratoacanthomaKeratoacanthoma

Neurotic excoriations

2/2
Neurotic excoriationsNeurotic excoriations

Prurigo nodularis

2/2
Prurigo nodularisPrurigo nodularis

Psoriasis

2/2
PsoriasisPsoriasis

Seborrheic dermatitis

2/2
Seborrheic dermatitisSeborrheic dermatitis

Seborrheic keratosis

2/2
Seborrheic keratosisSeborrheic keratosis

Solar lentigo

2/2
Solar lentigoSolar lentigo

Crusted scabies

2/2
Crusted scabiesCrusted scabies

Discoid lupus erythematosus

2/2
Discoid lupus erythematosusDiscoid lupus erythematosus

Pediculosis capitis

2/2
Pediculosis capitisPediculosis capitis

Skin abscess

2/2
Skin abscessSkin abscess

Telogen effluvium

2/2
Telogen effluviumTelogen effluvium

Traction alopecia

2/2
Traction alopeciaTraction alopecia

Secondary syphilis

2/2
Secondary syphilisSecondary syphilis

Alopecia areata

2/2
Alopecia areataAlopecia areata

Alopecia mucinosa

2/2
Alopecia mucinosaAlopecia mucinosa

Anagen effluvium

2/2
Anagen effluvium

Angiolymphoid hyperplasia with eosinophilia

2/2
Angiolymphoid hyperplasia with eosinophiliaAngiolymphoid hyperplasia with eosinophilia

Angiosarcoma

2/2
AngiosarcomaAngiosarcoma

Cutaneous B-cell lymphoma

2/2
Cutaneous B-cell lymphomaCutaneous B-cell lymphoma

Darier disease

2/2
Darier diseaseDarier disease

Demodex folliculitis

2/2
Demodex folliculitis

Dissecting cellulitis of scalp

2/2
Dissecting cellulitis of scalpDissecting cellulitis of scalp

Erosive pustular dermatosis of the scalp

2/2
Erosive pustular dermatosis of the scalpErosive pustular dermatosis of the scalp

Graham-Little syndrome

2/2
Graham-Little syndromeGraham-Little syndrome

IgG4-related disease

2/2
IgG4-related disease

Linear epidermal nevus

2/2
Linear epidermal nevusLinear epidermal nevus

Polymyalgia rheumatica

2/2
Polymyalgia rheumaticaPolymyalgia rheumatica

Primary cutaneous anaplastic large cell lymphoma

2/2
Primary cutaneous anaplastic large cell lymphoma

Pseudolymphoma

2/2
PseudolymphomaPseudolymphoma

Tinea capitis

2/2
Tinea capitisTinea capitis

Amicrobial pustulosis of the folds

2/2
Amicrobial pustulosis of the folds

Atrichia congenita

2/2
Atrichia congenitaAtrichia congenita

Brooke-Spiegler syndrome

2/2
Brooke-Spiegler syndromeBrooke-Spiegler syndrome

Buruli ulcer

2/2
Buruli ulcerBuruli ulcer

Dermatopathia pigmentosa reticularis

2/2
Dermatopathia pigmentosa reticularis

Granular cell tumor

2/2
Granular cell tumorGranular cell tumor

Hemangioendothelioma

2/2
Hemangioendothelioma

Hyperimmunoglobulinemia E syndrome

2/2
Hyperimmunoglobulinemia E syndromeHyperimmunoglobulinemia E syndrome

Kerion

2/2
KerionKerion

Leukocyte adhesion deficiency type 1

2/2
Leukocyte adhesion deficiency type 1

Peeling skin syndrome

2/2
Peeling skin syndrome

Port-wine stain

2/2
Port-wine stainPort-wine stain

Shiitake dermatitis

2/2
Shiitake dermatitis

Type 1 lepra reaction

2/2
Type 1 lepra reactionType 1 lepra reaction

Warty dyskeratoma

2/2
Warty dyskeratomaWarty dyskeratoma

Olmsted syndrome

2/2
Olmsted syndrome

Phakomatosis pigmentovascularis

2/2
Phakomatosis pigmentovascularis

Atypical nevus

1/2
Atypical nevusAtypical nevus

Common acquired nevus

1/2
Common acquired nevusCommon acquired nevus

Congenital melanocytic nevus

1/2
Congenital melanocytic nevusCongenital melanocytic nevus

Cutaneous squamous cell carcinoma

1/2
Cutaneous squamous cell carcinomaCutaneous squamous cell carcinoma

Epidermoid cyst

1/2
Epidermoid cystEpidermoid cyst

Infiltrating basal cell carcinoma

1/2
Infiltrating basal cell carcinomaInfiltrating basal cell carcinoma

Lentigo maligna

1/2
Lentigo malignaLentigo maligna

Lobular capillary hemangioma

1/2
Lobular capillary hemangiomaLobular capillary hemangioma

Melanoma

1/2
MelanomaMelanoma

Nodular basal cell carcinoma

1/2
Nodular basal cell carcinomaNodular basal cell carcinoma

Pilar cyst

1/2
Pilar cystPilar cyst

Squamous cell carcinoma in situ

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

Superficial basal cell carcinoma

1/2
Superficial basal cell carcinomaSuperficial basal cell carcinoma

Carbuncle

1/2
CarbuncleCarbuncle

Epidermal nevus

1/2
Epidermal nevusEpidermal nevus

Nevus sebaceus

1/2
Nevus sebaceusNevus sebaceus

Poliosis

1/2
PoliosisPoliosis

Traumatic alopecia

1/2
Traumatic alopeciaTraumatic alopecia

Trichotillomania

1/2
TrichotillomaniaTrichotillomania

Eccrine gland carcinoma

1/2
Eccrine gland carcinomaEccrine gland carcinoma

Merkel cell carcinoma

1/2
Merkel cell carcinomaMerkel cell carcinoma

Proliferating pilar tumor

1/2
Proliferating pilar tumorProliferating pilar tumor

Radiation-induced alopecia

1/2
Radiation-induced alopeciaRadiation-induced alopecia

Amelanotic melanoma

1/2
Amelanotic melanomaAmelanotic melanoma

Pilomatrix carcinoma of skin

1/2
Pilomatrix carcinoma of skin