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

Differential too broad. Edit Findings to refine your results.

Acne keloidalis nuchae

Acne keloidalis nuchaeAcne keloidalis nuchae

Allergic contact dermatitis

Allergic contact dermatitisAllergic contact dermatitis







Seborrheic dermatitis

Seborrheic dermatitisSeborrheic dermatitis

Alopecia areata

Alopecia areataAlopecia areata

Pediculosis capitis

Pediculosis capitisPediculosis capitis



Traction alopecia

Traction alopeciaTraction alopecia

Folliculitis decalvans

Folliculitis decalvansFolliculitis decalvans

Dissecting cellulitis of scalp

Dissecting cellulitis of scalpDissecting cellulitis of scalp

Erosive pustular dermatosis of the scalp

Erosive pustular dermatosis of the scalpErosive pustular dermatosis of the scalp



Actinic keratosis

Actinic keratosisActinic keratosis

Cherry hemangioma

Cherry hemangiomaCherry hemangioma

Factitial ulcer

Factitial ulcerFactitial ulcer

Neurotic excoriations

Neurotic excoriationsNeurotic excoriations

Prurigo nodularis

Prurigo nodularisPrurigo nodularis

Seborrheic keratosis

Seborrheic keratosisSeborrheic keratosis

Crusted scabies

Crusted scabiesCrusted scabies

Discoid lupus erythematosus

Discoid lupus erythematosusDiscoid lupus erythematosus

Keratinocytic epidermal nevus

Keratinocytic epidermal nevusKeratinocytic epidermal nevus

Skin abscess

Skin abscessSkin abscess

Telogen effluvium

Telogen effluviumTelogen effluvium

Secondary syphilis

Secondary syphilisSecondary syphilis

Alopecia mucinosa

Alopecia mucinosaAlopecia mucinosa

Anagen effluvium

Anagen effluvium

Angiolymphoid hyperplasia with eosinophilia

Angiolymphoid hyperplasia with eosinophiliaAngiolymphoid hyperplasia with eosinophilia

Cutaneous B-cell lymphoma

Cutaneous B-cell lymphomaCutaneous B-cell lymphoma

Demodex folliculitis

Demodex folliculitis

Graham-Little syndrome

Graham-Little syndromeGraham-Little syndrome

IgG4-related disease

IgG4-related disease

Primary cutaneous anaplastic large cell lymphoma

Primary cutaneous anaplastic large cell lymphoma

Tinea capitis

Tinea capitisTinea capitis

Trichorrhexis nodosa

Trichorrhexis nodosaTrichorrhexis nodosa

Amicrobial pustulosis of the folds

Amicrobial pustulosis of the folds

Atrichia congenita

Atrichia congenitaAtrichia congenita

Brooke-Spiegler syndrome

Brooke-Spiegler syndromeBrooke-Spiegler syndrome

Buruli ulcer

Buruli ulcerBuruli ulcer

Granular cell tumor

Granular cell tumorGranular cell tumor



Hyperimmunoglobulinemia E syndrome

Hyperimmunoglobulinemia E syndromeHyperimmunoglobulinemia E syndrome

Leukocyte adhesion deficiency type 1

Leukocyte adhesion deficiency type 1

Malignant proliferating trichilemmal tumor

Malignant proliferating trichilemmal tumor

Peeling skin syndrome

Peeling skin syndrome

Port-wine stain

Port-wine stainPort-wine stain

Shiitake dermatitis

Shiitake dermatitis

Tick-borne lymphadenopathy

Tick-borne lymphadenopathy

Type 1 lepra reaction

Type 1 lepra reactionType 1 lepra reaction

Warty dyskeratoma

Warty dyskeratomaWarty dyskeratoma

Viral exanthem

Viral exanthemViral exanthem

Epidermoid cyst

Epidermoid cystEpidermoid cyst

Dermatopathia pigmentosa reticularis

Dermatopathia pigmentosa reticularis

Hidrotic ectodermal dysplasia

Hidrotic ectodermal dysplasiaHidrotic ectodermal dysplasia

Olmsted syndrome

Olmsted syndrome

Café au lait spot

Café au lait spotCafé au lait spot



Common wart

Common wartCommon wart