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Ann Dermatol Venereol
September 1996
Service de Dermatologie, Hôpital de l'Antiquaille, Lyon.
Introduction: Perforating verruciform collagenoma, first described in 1963, designates papular and keratotic post-trauma lesions which show an aspect of epidermal perforation microscopically with large fragments of collagen issuing through fistulous chimneys, more or less pycnotic polynuclears and squamating or necrotic epidermal cells. Three publications have presented this diagnosis.
Case Report: We observed a patient with multiple lesions with macroscopic and microscopic presentations suggestive of perforating verruciform collagenoma.
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