Alopecic patches of the scalp: a variant of primary cutaneous follicle center B‐cell lymphoma reported in a series of 14 cases

Abstract

Primary cutaneous follicle center lymphoma (PCFCL) is the most frequent primary cutaneous B‐cell lymphoma. It presents usually with erythematous papules, plaques and tumors that predominate on the head, neck and upper trunk. The evolution is indolent but relapses are frequent. Atypical presentations of PCFCL have been occasionally described, such as diffuse facial erythema, one case of scarring alopecia (1), macular lesions, including 2 cases of scarring alopecia (2), miliary agminated papules (3), or extensive telangiectasia of the scalp (4). The incidence and prognosis of these atypical forms are unknown.

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