Perforating Folliculitis. Case Report and Differential Diagnosis

Česká verzia

Authors: K. Adamicová ¹; Ž. Fetisovová ²; D. Výbohová ³; Y. Mellová ³; I. Chromej ²
Authors place of work: Ústav patologickej anatómie ¹; Kožná klinika ²; Ústav anatómie, Jesseniova lekárska fakulta v Martine, Univerzita Komenského v Bratislave ³
Published in the journal: Čes.-slov. Patol., 45, 2009, No. 3, p. 75-78
Category: Původní práce

Summary

A 26-year-old woman suddenly noticed an onset of disseminated papular exanthema during her institutional treatment for alcohol abuse. After 9 weeks of slowly progressive course a dermatologist was consulted, who suggested a diagnosis of pityriasis lichenoides. Skin biopsy revealed cystical enlargement of hair follicles that were filled up with keratinous and parakeratotic masses interspersed with particles of fragmented collagen. Numerous inflammatory cells were present within the lesion. Many focal perforations of infundibular epithelium draining a cellular debris were prominent. Severely disturbed follicles were engulfed by giant cell inflammatory infitrate containing remnants of collagen and elastic fibers. Considering all the histopathologic findings and clinical course, the case was finally diagnosed as perforating folliculitis, a distinct type from the family of perforating dermatoses.

Key words:
perforating folliculitis – perforating skin diseases

Zdroje

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