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目的探讨螺旋CT分析胃间质瘤(GST)的生长方式与病理及预后的关系。方法对43例能完全切除的GST患者的CT资料和病理切片(含免疫组织化学检查)重新复核并进行随访,分析原发肿瘤的生长方式与病理及预后的关系。结果43例胃间质瘤中,良性9例,恶性34例。对比分析表明,GST的良恶性与生长方式关系密切,17例既向腔内生长又向腔外生长的GST患者中,16例病理证实为恶性,有5例在3年内复发。结论呈现腔内/外生长的GST提示预后不良。
Objective To investigate the relationship between the growth pattern of gastric stromal tumor (GST) and pathology and prognosis by spiral CT. Methods The CT data and pathological sections (including immunohistochemical examinations) of 43 patients with completely resected GST were reviewed and followed up. The relationship between the growth pattern of the primary tumor and the pathology and prognosis was analyzed. Results 43 cases of gastric stromal tumors, benign in 9 cases, 34 cases of malignant. The results of comparative analysis showed that there was a close relationship between the benign and malignant GST and the growth pattern. Of the 17 GST patients with both intraluminal and extraluminal growth, 16 had malignant pathology and 5 had recurred within 3 years. Conclusions The presence of intraluminal / extrinsic GST suggests a poor prognosis.