方法就此类手术的术前准备、器械、药品准备，手术配合及术后注意事项进行总结。
Methods To sum up experience of instrument preparation, drug preparation, and points for attention before such operations.
方法对13例经手术、病理确诊的继发性肠套叠患者术前声像图回顾性分析，总结其超声表现特点。
Methods The preoperative sonographic features of secondary intussusceptions in 13 cases confirmed by operation and pathology were reviewed and analyzed.
方法分析总结17例原发性腹膜后肿瘤术前准备和术中、术后处理的临床资料。
Methods The clinical data of 17 cases with primary retroperitoneal neoplasms were analyzed retrospectively in preoperative evaluation, operative and postoperative treatment.
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