小肠平滑肌肉瘤是较少见的一种小肠恶性肿瘤。由于临床表现无特异性 ,常易造成误诊 ,而延误治疗。为提高小肠平滑肌肉瘤的术前诊断率 ,现将我院近 1 0年收治的 6例小肠平滑肌肉瘤 ,均经手术后病理检验证实 ,但术前无 1例确诊 ,其误诊原因分析报道如下 :1　临床资料1 1　一般资 Small bowel leiomyosarcoma is a rare type of small bowel cancer. Due to the non-specific clinical manifestations, often misdiagnosed, and delayed treatment. In order to improve the preoperative diagnosis of small bowel leiomyosarcoma, now in our hospital nearly 10 years admitted to 6 cases of small bowel leiomyosarcoma confirmed by postoperative pathology, but no case of preoperative diagnosis, the misdiagnosis of the reasons reported as follows: 1 Clinical data 1 1 General information