遗传性对称性色素异常症一例及家系调查

Dyschromatosis symmetrica hereditaria:a case report and Pedigree analysis

遗传性对称性色素异常症是一种罕见的常染色体显性遗传病,通常发生在亚洲地区,尤其是中国、日本和韩国。笔者报道了一例家系,症状典型,均以间杂出现的四肢末端点状白斑和色素沉着为主要临床表现。

Dyschromatosis symmetrica hereditaria（DSH）is a rare autosomal dominant genodermatosis, which is predominantly occurring in Asians,especially in Japanese,Chinese and Korean individuals. We report a case of family affected with the disease which are characterized by a mixture of hyperpigmented and hypopigmented macules on dorsal aspects of the extremities.