论文部分内容阅读
目的提高对胃肠道间质瘤(GIST)的影像认识水平。方法回顾性分析20例 GIST的临床、影像及病理资料。结果影像表现为内生或外生性生长的肿块,密度或信号多不均匀,对应于病理学中的出血、坏死、黏液及囊变。与术中及病理结果对比,影像确定病变起源部位正确11例(11/16),4例 CT 判定肿瘤复发的位置与术中表现一致。术前 CT 均未能提示5例腹腔内多发结节。CT 显示3例肝脏转移瘤得到术中证实。结论 GIST 有一定的影像特点。CT 作为主要的影像评价手段有助于病灶的检出及定性,对肠系膜、腹膜及网膜转移灶的检出仍有不足。
Objective To improve the image recognition of gastrointestinal stromal tumors (GISTs). Methods A retrospective analysis of 20 cases of GIST clinical, imaging and pathological data. Results Imaging showed endometrial or exogenous growth mass, density or signal multi-uneven, corresponding to the pathology of bleeding, necrosis, mucus and cystic change. Comparing with the results of surgery and pathology, 11 cases (11/16) were confirmed by imaging to determine the origin of the lesions. The location of tumor recurrence in 4 cases was consistent with the intraoperative findings. Preoperative CT failed to prompt five cases of multiple intraperitoneal nodules. CT showed 3 cases of liver metastases confirmed by intraoperative. Conclusion GIST has some imaging features. CT as a major imaging evaluation tool contributes to the detection and characterization of the lesion, and detection of mesenteric, peritoneal and omental metastases is still inadequate.