011 Polymorphous light eruption (PMLE) in African‐Americans presenting as pinpoint papules

A. Kontos, C. Cusack, H. Lim
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引用次数: 2

Abstract

Polymorphous light eruption (PMLE) is the most common chronic idiopathic photodermatosis with a prevalence estimated at 10-20% and a genetic predisposition from 5-45%. It tends to occur in the spring with gradual resolution as summer progresses. Papular eruptions are most commonly seen, however, several morphological variants exist among affected individuals, including vesicular, eczematous and papulovesicular lesions. Lesions are usually monomorphic in a given patient. We present nine African-American female patients in whom PMLE manifests as a pinpoint papular variant, which has not been commonly described previously. Of the four patients who were phototested, one had an abnormal UVA MED result of 12 J/cm2. Histopathologic findings revealed perivascular and focal lichenoid lymphohistiocytic infiltrate with papillary dermal hemorrhage in all biopsy specimens.
011非裔美国人的多形光疹(PMLE)表现为针状丘疹
多形性光疹(PMLE)是最常见的慢性特发性光性皮肤病,患病率估计为10-20%,遗传易感性为5-45%。它往往发生在春天,随着夏天的进展逐渐消退。丘疹是最常见的,然而,在受影响的个体中存在几种形态变异,包括水疱性、湿疹性和丘疹性水疱性病变。一个病人的病变通常是单形态的。我们提出了9名非裔美国女性患者,其中PMLE表现为针状丘疹变体,这在以前没有被普遍描述过。在接受光镜检查的四名患者中,有一名UVA MED结果异常,为12 J/cm2。组织病理学结果显示血管周围和局灶性地衣样淋巴组织细胞浸润伴乳头状真皮出血。
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