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

Allergic contact dermatitis

2/2
Allergic contact dermatitisAllergic contact dermatitis

Folliculitis

2/2
FolliculitisFolliculitis

Neurotic excoriations

2/2
Neurotic excoriationsNeurotic excoriations

Psoriasis

2/2
PsoriasisPsoriasis

Seborrheic dermatitis

2/2
Seborrheic dermatitisSeborrheic dermatitis

Pediculosis capitis

2/2
Pediculosis capitisPediculosis capitis

Telogen effluvium

2/2
Telogen effluviumTelogen effluvium

Anti-TNF-alpha-induced eruptions

2/2
Anti-TNF-alpha-induced eruptions

Secondary syphilis

2/2
Secondary syphilisSecondary syphilis

Alopecia areata

2/2
Alopecia areataAlopecia areata

Demodex folliculitis

2/2
Demodex folliculitis

Dissecting cellulitis of scalp

2/2
Dissecting cellulitis of scalpDissecting cellulitis of scalp

Graham-Little syndrome

2/2
Graham-Little syndromeGraham-Little syndrome

Trichorrhexis nodosa

2/2
Trichorrhexis nodosaTrichorrhexis nodosa

Keratosis follicularis spinulosa decalvans

2/2
Keratosis follicularis spinulosa decalvansKeratosis follicularis spinulosa decalvans

Amicrobial pustulosis of the folds

2/2
Amicrobial pustulosis of the folds

Brooke-Spiegler syndrome

2/2
Brooke-Spiegler syndromeBrooke-Spiegler syndrome

Hay-Wells syndrome of ectodermal dysplasia

2/2
Hay-Wells syndrome of ectodermal dysplasiaHay-Wells syndrome of ectodermal dysplasia

Olmsted syndrome

2/2
Olmsted syndrome

Drug-induced alopecia

1/2
Drug-induced alopeciaDrug-induced alopecia

Cutis verticis gyrata

1/2
Cutis verticis gyrataCutis verticis gyrata

Loose anagen syndrome

1/2
Loose anagen syndromeLoose anagen syndrome