原发性输尿管良性肿瘤较少见,1956年 Abeshouse 综述文献,收集了138例;1963年Scott 报告6例,以后陆续有报道。此病起源于上皮的约占75%,起源于间质的约占25%,成人输尿管良性纤维息肉较儿童为多见,10岁以下双侧病变者更为罕见。复习有限文献,截至1977年底,发生于儿童的输尿管良性纤维息肉仅见8例,且多系单侧病变。我院发现一例双侧性病变,现报告如下。 Primary ureteral benign tumors are rare, Abeshouse literature review in 1956, collected 138 cases; 1963 Scott reported 6 cases, one after another have been reported. The disease originated in the epithelium accounted for about 75%, originated in the stroma of about 25%, adult ureteral fibroids polyp more common in children, bilateral lesions under the age of 10 are more rare. Review of limited literature, as of the end of 1977, occurred in children with ureteral fibroids, only 8 cases of polyps, and many lines of unilateral lesions. Our hospital found a case of bilateral lesions, are as follows.