【摘要】 目的认识良性转移性平滑肌瘤(BML)的 CT 表现。方法回顾性分析经病理证实的4例 BML 患者的 CT 表现,其中肺 BML 2例,腹膜播散性平滑肌瘤(LPD)1例,另1例为既有肺 BML又有 LPD。均为曾有子宫肌瘤切除史的女性,平均年龄45岁。结果 3例肺 BML 表现为肺内多发性随机分布的直径0.2～2.0 cm 圆形结节,边界光滑清楚,密度均匀无钙化,无肺门纵隔淋巴结肿大及胸水。增强后扫描病变无强化。2例 LPD 表现为下腔静脉、腹主动脉、髂总动脉邻近处的直径4～5 cm 多发性肿块,边缘清楚,密度均匀无钙化,无淋巴结肿大及腹水。1例正电子发射计算机体层摄影(PET)CT 肿块未见核素示踪剂明显浓聚。另1例 CT 增强后肿块有较强的强化。结论在有子宫肌瘤切除史的女性中,见到 CT 表现为肺内和(或)腹内出现多发性、边缘光滑清楚、密度均匀的结节和(或)肿块时要考虑到 BML 可能。更多还原

【Abstract】 Objective To recognize the CT manifestations of benign metastasizing leiomyoma (BML).Methods Four cases of BML proved by pathology were retrospectively analysed.Among these, 2 cases were pulmonary BML,1 ease was leiomyomatosis peritonealis diseminata(LPD),and 1 case was combined with pulmonary BML and LPD.All of them were female,and had a history of hysterectomy,the average age were 45.The CT findings of them were analyzed.Results The CT of pulmonary BML in three cases showed multiple rounded,well-defined discrete nodules,0.2—2.0cm in diameter,random distribution,and no calcification in the nodules.No hilum or mediastinum lymphadenopathy,and no pleural effusion.There were no enhancement after intravenous contrast examination.The CT findings of LPD in two cases were many masses around the vena cava,abdominal aorta and/or iliac artery.The masses were 4— 5cm in diameter with smooth margin and homogeneous density.No lymph node or ascites were found.One case who got intravenous contrast enhanced CT scan showed significant enhancement of the lesions;another case who got PET CT study showed no significant tracer concentration.Conclusion When multiple metastasizing nodular lesions with sharp margin and homogeneous density were found in the lungs or abdomen,they should be considered the possibility of BML in women with hysterectomy history.更多还原