毛母质瘤是一种罕见的毛源性良性肿瘤,国外报道较多,国内仅见一例报道。我院于1986年收治一例,现报告如下。病例报告患者女,36岁,3个月前发现右耳廓长一肿块,约米粒大,无不适感,后逐渐增大,近半月轻度发痒及疼痛,门诊活检报告为毛母质瘤,于1986年12月26日入院。发病以前右耳无 Hair mother tumor is a rare hair-derived benign tumor, more foreign reports, only one case of domestic reports. Our hospital admitted in 1986 a case, report as follows now. Case report Female, 36 years old, 3 months ago found a long right lump a lump, about rice tablets, no discomfort, and then gradually increased, nearly half months itching and pain mild, outpatient biopsy report as hair tumor, On December 26, 1986 admission. Before the onset of right ear without