黏蛋白痣一例

Mucinous nevus:a case report

患者,男,28岁。右侧腰部出现多发褐色丘疹、斑块10年。皮肤科查体:右侧腰腹部散在粟粒至蚕豆大褐色丘疹、斑块,部分融合成片。皮肤组织病理示:表皮角化过度伴角化不全、棘层肥厚,呈疣状增生,表皮突延长,有散在或小片状的淋巴细胞及组织细胞浸润。阿新兰染色阳性。诊断:黏蛋白痣。患者拒绝治疗。

A 28-year-old male presented with multiple brown papules and plaques on the right waist for 10 years.Physical examination showed millet to broad bean size brown papules and plaques in the right waist and abdomen,partially fusing into pieces.Skin biopsy showed hyperkeratosis with keratosis and acanthosis,verrucous hyperplasia,epidermal ridges prolonged,infiltration of scattered lymphoid cells and histocytes in the superficial dermis.Alcian blue staining was positive.The diagnosis of mucinous nevus was made.The patient refused treatment.