尿道平滑肌瘤临床甚少见。我院几年来收治4例女性患者,年龄28～40岁;病程3个月～2年,平均11个月。4例均有尿道口无痛性肿物,尿线细,排尿不畅,其中1例时有尿频、尿痛,无血尿。体检:外阴部于尿道外口上缘实质性肿物3.5×2.5cm 2例,尿道外口下缘实质性肿物2.5×2.5cm 2例,包膜均完整、光滑、边界清楚、广基、淡红色,其中1例有短蒂。治疗:均采用手术切除。病理诊断均为尿道平滑肌瘤。讨论平滑肌瘤为非上皮良性肿瘤。临床表现为发展缓慢的局部软组织肿块,可单发或多发,女性发 Urethral leiomyoma clinical rare. In our hospital a few years admitted 4 female patients, aged 28 to 40 years; duration of 3 months to 2 years, an average of 11 months. 4 cases had urethral painless tumor, urinary fine, poor urination, of which 1 case of frequent urination, dysuria, no hematuria. Physical examination: vulva in the urethral orifice on the edge of the substantive tumor 3.5 × 2.5cm 2 cases, the urethral orifice of the outer edge of the substantive tumor 2.5 × 2.5cm 2 cases, the envelope are complete, smooth, clear boundary, wide base, light Red, of which 1 case had a short pedicle. Treatment: All surgical resection. Pathological diagnosis of urethral leiomyoma. Discussion of leiomyoma is non-epithelial benign tumor. Clinical manifestations of slow local soft tissue mass can be single or multiple, female hair