Leiomyoma of the urinary bladder is a rare benign urological disease.Its clinical symptoms depend mainly on the size, location, or associated urinary tract obstruction.

• 摘要膀胱平滑肌瘤是泌尿科少见的良性疾病，依肿瘤大小、位置或合并的泌尿道阻塞情形而有不同的临床症状。