Objective To evaluate the diagnosis and treatment of the primary retroperitoneal tumor based on experience with 30 cases. Methods The clinical manifestations, image examinations and operations of 30 cases with primary retroperitoneal tumor that were diagnosed and treated in our department from January 2007 to July 2009 were Retrospectively analyzed and discussed. Results Of the 30 cases, 8 were male and 22 were female, the age range was 15 ~ 82 years, average 44. 8 years. Nine of the cases were asymptomatic, 7 had abdominal pain or fullness, 4 had back pain, S had abdominal mass, 4 had lower extremity pain or numbness, and 1 case had body weight loss. All the 30 cases were treated with surgical operations, 14 received laparoscopic surgery and the rest laparotomy. The average operation time was 205 minutes. There were no major complications in any of the patients. Twenty-seven cases were followed-up for an average of 18 months. Conclusion The image examinations are the main methods to detect the primary retroperitoneal tumors and the operations to remove the tumor are the main treatment. For benign or less malignant neoplasmas, laparoscopic surgery can be attempted.%目的 探讨原发性腹膜后肿瘤的诊断和治疗方法.方法 回顾性分析北京大学第三医院普通外科自2007年1月～2009年7月收治的30例原发性腹膜后肿瘤患者资料,对其临床表现、影像检查及手术方法进行讨论.结果 30例患者中男8例,女22例,年龄15～82岁,平均年龄44.8岁.无症状体检发现者9例,腹痛、腹胀者7例,腰痛者4例,腹部包块者5例,下肢疼痛、麻木者4例,体质量下降者l例.30例患者均行手术切除,其中14例行腹腔镜手术,16例行开腹手术.平均手术时间205min,术后2.3d恢复饮食,6.3d出院.无重大手术合并症出现.随访27例,平均随访时间18个月.2例分别于术后15和24个月复发,再次行手术切除；其中l例2次术后局部再次复发,无法切除,转行放、化疗.结论 原发性腹膜后肿瘤主要依靠影像学检查.手术切除是主要治疗手段,对于良性或恶性程度低的肿瘤,可尝试腹腔镜手术.
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