畸胎瘤多发生于卵巢、睾丸等性腺部位,发生于膀胱者少见。现报告1例如下。患者,女,51岁。因尿急,尿频、排尿不畅,反复发作10余年,近半月来加重,且排尿困难,于1988年12月15日入院。体检:全身情况良好,心、肺、腹部均未发现明显阳性体征。在导尿时发现尿道口有淡黄色肿物,如蚕豆大小。经分离后取出,为一粒结石,疏松易碎,内有毛发。实验室检查:肝、肾功能,血沉等均正常。尿:蛋白(±),白 Teratoma occurred in the ovary, testis and other gonadal sites, occurred in the bladder were rare. One report is as follows. Patient, female, 51 years old. Urinary urgency, frequent urination, poor urination, repeated attacks for more than 10 years, nearly half of the increase, and dysuria, in December 15, 1988 admission. Physical examination: The whole body is in good condition, and no obvious positive signs are found in the heart, lungs and abdomen. Urethral urethra was found in the catheter when the light yellow tumor, such as broad bean size. Removed after separation, as a stone, loose and fragile, with hair. Laboratory tests: liver, kidney function, ESR Dengjun normal. Urine: protein (±), white