Digitate dermatosis

► Small plaque parapsoriasis

Clinical manifestation

Solitary large comedone on the face or trunk, most commonly the back; lateral pressure yields keratinous material

Differential diagnosis

Epidermoid cyst; trichoepithelioma; solar comedone; pilar sheath acanthoma; sebaceous trichofolliculoma

Therapy

Expression of comedone contents, followed by electrodesiccation of the base; surgical excision

References

Toshitani A; Imayama S, Urabe A, Kiryu H, Hori Y (1996) Hair cortex comedo. American Journal of Dermatopathology 18(3^322-325

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