Meyerson痣一例

Meyerson nevus:a case report

患者,女,78岁。右上臂肿块70年,伴红斑瘙痒3个月,皮损组织病理示:轻度角化过度,棘层肥厚,皮突延长,真皮内痣细胞和痣细胞巢,部分呈毛玻璃样,部分增生活跃,有较多淋巴细胞和嗜酸粒细胞为主的炎细胞浸润,有成熟现象,外围血管增生和炎性细胞浸润。诊断:Meyerson痣。

The patient was a 78-year-old woman who prevented with a mass in the right upper arm for 70 years, accompanied with erythema and itching for 3 months. Histopathological examination of the skin lesion showed mild hyperkeratosis, acanthosis, extension of skin protrusion, and intradermal nevus cells and nevus cell nest, part of which was ground-glass-like and some showed active proliferation, with inflammatory cell infiltration that was dominated by lots of lymphocytes and eosinophils. In addition, there was mature phenomenon, peripheral angiogenesis as well as inflammatory cell infiltration. The diagnosis of Meyerson nevus was made.