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目的 对原发性腹膜后平滑肌肉瘤的外科治疗进行总结。方法 １９７０￣１９９７年收治原发性腹膜后平滑肌肉瘤３３例，就其临床表现、辅助检查和外科治疗进行总结分析。结果 临床表现多为腹痛及腹部包块，辅助检查以Ｂ超及ＣＴ诊断率最高。肿瘤完全切除率为４２．４％，肿瘤完全切除组２年内复发９例，７例为局部复发，再手术８例，３例完全切除肿瘤。结论 影像学检查尤其是Ｂ超及ＣＴ是诊断本病的主要手段，手术完全切除肿瘤是治

Experience of surgical treatment for 33 cases of primary retroperitoneal leiomyosarcoma

Objective　To summarize the surgical treatment of the primary retroperitonealleiomyosarcoma.Methods　33 cases of primary retroperitoneal leiomyosarcoma,which provedby operation and biopsy from 1970 to 1997 were studied.Results　Abdominal pain is themain symptom and abdominal mass is the main sign .The diag nosis mainly depended onB-ultrasonography and CT scan.The whole resection ra te was 42.4% in our group,7 caseswith whole resection had the local recurre nce within 2 years and 3 cases had wholeresection again.Conclusion　B-Ultrasonography and CT scan are main means to diagnose theprimary retroperi toneal leiomyosarcoma,and whole resection is the best way oftreatment.Patients with recurrent diseases can be treated with reoperation.