子宫平滑肌肿瘤是很常见的肿瘤,生育期妇女发病率为25%。其中绝大部分是良性的平滑肌瘤。平滑肌肉瘤很少见,发病率1%。而子宫平滑肌瘤发展为平滑肌肉瘤的可能性非常少。但还有一类介于良恶性之间的交界性肿瘤,称为恶性潜能未定的子宫平滑肌肿瘤,本文对188例平滑肌肿瘤进行临床 Uterine smooth muscle tumors are common tumors, with a 25% incidence in women during their reproductive years. Most of them are benign leiomyomas. Leiomyosarcoma is rare, the incidence of 1%. The possibility of uterine leiomyoma progression to leiomyosarcoma is very small. But there is a class of borderline tumors between benign and malignant, known as malignant potential undetermined uterine smooth muscle tumors, the 188 cases of smooth muscle tumors in clinical