汗管角化症是一种较少见的慢性皮肤病,家系发病情况国内报告较少。现将我们遇到的1家系8例报告如下。病例报告先证者,男,22岁,学生。面部等部位发生不痛不痒圆圈样斑疹8年,于1985年9月就诊。12岁时先在鼻梁左侧发生2～3个黄豆大小的圆圈样斑 Ketjum keratosis is a less common form of chronic skin disease with fewer reports of family history of illness. Now we encounter a family of 8 cases are reported as follows. Case report proband, male, 22 years old, student. Face and other parts of the occurrence of superficial circular rash 8 years, in September 1985 treatment. At the age of 12, a circle-like plaque of 2 to 3 soybeans occurred on the left side of the bridge of the nose