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目的分析胃肠道间质瘤(GIST)的CT表现,探讨CT对胃肠道间质瘤的诊断价值。方法回顾性分析50例经手术病理和免疫组化证实的胃肠道间质瘤的螺旋CT表现。结果肿瘤发生于胃17例、小肠11例、结直肠7例、食管6例、腹膜后5例和肠系膜4例。50例GIST中良性12例,恶性24例,交界性14例。本组CT定位准确率为100%(50/50)。CT判断良恶性准确度为76%(38/50)。结论 CT检查对临床诊断胃肠道间质瘤具有重要的术前诊断价值,但因为缺乏特异性诊断,仍需手术病理检查确诊。
Objective To analyze the CT findings of gastrointestinal stromal tumors (GIST) and explore the diagnostic value of CT in gastrointestinal stromal tumors. Methods Retrospective analysis of 50 cases of gastrointestinal stromal tumors confirmed by surgery and immunohistochemistry spiral CT findings. Results The tumors occurred in 17 cases of stomach, 11 cases of small intestine, 7 cases of colorectum, 6 cases of esophagus, 5 cases of retroperitoneum and 4 cases of mesentery. In 50 cases of GIST, 12 were benign, 24 were malignant and 14 were borderline. This group of CT positioning accuracy of 100% (50/50). The diagnostic accuracy of CT was 76% (38/50). Conclusion CT examination has important preoperative diagnostic value for clinical diagnosis of gastrointestinal stromal tumors. However, due to the lack of specific diagnosis, it is still necessary to confirm the diagnosis by pathological examination.