Differential Diagnosis
DDx Strength: Good
Entire scalp, Multiple skin lesions Add or remove findings



Allergic contact dermatitis

Allergic contact dermatitisAllergic contact dermatitis



Neurotic excoriations

Neurotic excoriationsNeurotic excoriations

Seborrheic dermatitis

Seborrheic dermatitisSeborrheic dermatitis

Alopecia areata

Alopecia areataAlopecia areata

Pediculosis capitis

Pediculosis capitisPediculosis capitis

Telogen effluvium

Telogen effluviumTelogen effluvium

Anti-TNF-alpha-induced eruptions

Anti-TNF-alpha-induced eruptions

Secondary syphilis

Secondary syphilisSecondary syphilis

Demodex folliculitis

Demodex folliculitis

Dissecting cellulitis of scalp

Dissecting cellulitis of scalpDissecting cellulitis of scalp

Graham-Little syndrome

Graham-Little syndromeGraham-Little syndrome

Trichorrhexis nodosa

Trichorrhexis nodosaTrichorrhexis nodosa

Keratosis follicularis spinulosa decalvans

Keratosis follicularis spinulosa decalvansKeratosis follicularis spinulosa decalvans

Amicrobial pustulosis of the folds

Amicrobial pustulosis of the folds

Brooke-Spiegler syndrome

Brooke-Spiegler syndromeBrooke-Spiegler syndrome

Hay-Wells syndrome of ectodermal dysplasia

Hay-Wells syndrome of ectodermal dysplasiaHay-Wells syndrome of ectodermal dysplasia

Olmsted syndrome

Olmsted syndrome

Drug-induced alopecia

Drug-induced alopeciaDrug-induced alopecia

Cutis verticis gyrata

Cutis verticis gyrataCutis verticis gyrata

Loose anagen syndrome

Loose anagen syndromeLoose anagen syndrome