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通过对３０ 例手术及病理证实的小肠平滑肌肉瘤进行分析， 结果表明：该病临床表现缺乏特异性， 术前确诊困难， 极容易误诊。本组３０ 例仅６ 例术前考虑平滑肌肉瘤， 其余均诊断其它疾病。Ｂ超、ＣＴ检查、肠系膜动脉造影虽可有阳性发现， 但是， 最终仍有赖于手术及病理组织学检查确定诊断。小肠平滑肌肉瘤多局限于腹腔内， 很少引起远处转移， 该病预后可按肿瘤细胞组织学特征分为高度恶性与低度恶性两种类型， 前者预后远不如后者乐观。手术切除是小肠平滑肌肉瘤的主要治疗手段， 应尽可能将肿瘤及其转移灶一并切除。
Through the analysis of 30 cases of small intestine leiomyosarcoma confirmed by surgery and pathology, the results showed that: the clinical manifestations of the disease lack of specificity, preoperative diagnosis is difficult, it is easy to misdiagnosis. In this group of 30 cases, only 6 cases were considered leiomyosarcoma preoperatively, and the rest were diagnosed with other diseases. B-ultrasonography, CT examinations, and mesenteric artery angiography may be positive, but they still depend on surgery and histopathological examination to confirm the diagnosis. Intestinal leiomyosarcoma is mostly confined to the peritoneal cavity and rarely causes distant metastases. The prognosis of this disease can be divided into two types: high-grade and low-grade malignant according to the histological features of tumor cells. The prognosis of the former is far less optimistic than the latter. Surgical resection is the main treatment for leiomyosarcoma of the small intestine. The tumor and its metastases should be removed as much as possible.