Acne Vulgaris
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Favre-Racouchot Syndrome
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Giant Comedone

Nevus Comedonicus
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Porokeratotic Eccrine Ostial And Dermal Duct Nevus

Actinic Comedonal Plaque

Follicular Cutaneous T-Cell Lymphoma

Comedo-like acantholytic dyskeratosis of the face and scalp [BJD 2000;142;1047]. The single patient reported had numerous open comedo-like lesions showing prominent acantholytic dyskeratosis with corps ronds on the face and scalp.

A giant comedone.
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Familial Dyskeratotic Comedones

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