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目的 :通过分析胃肠道间质病的X线征象以提高胃肠道间质瘤的影像诊断水平。方法 :搜集经手术病理证实的 15例胃肠道间质瘤病例资料 ,对其术前CT检查 ( 12例 )、常规X线造影 ( 3例 )、DSA检查 ( 1例 )进行回顾性分析。结果 :良性间质瘤单发 4例 ,多发 1例 (胃和小肠各有一个间质瘤 ) ,恶性间质瘤 10例 ,均为单发。恶性肿瘤一般较良性肿瘤大。CT密度均匀性 :良性肿瘤均匀 3个 ;恶性肿瘤均匀 3个 ,不均匀 7个。CT密度 :良性者与消化道壁相比密度相等 3个 ;恶性者等密度 3个 ,低密度 3个 ,等低密度 3个 ,等低高密度 1个。肿瘤灶边缘 :良性者 3个均无分叶 ,界限清楚 ;恶性者有分叶 5个 ,无分叶 5个。CT增强后强化 :良性者增强后强化均匀 ,恶性者增强后强化不均匀。结论 :胃肠道间质瘤的CT表现有一定的特征性 ,对诊断有一定的价值
OBJECTIVE: To improve the imaging diagnosis of gastrointestinal stromal tumors by analyzing X-ray findings of gastrointestinal stromal disease. Methods: Fifteen cases of gastrointestinal stromal tumors confirmed by surgery and pathology were collected and analyzed retrospectively. Preoperative CT (12 cases), routine X - ray angiography (3 cases) and DSA (1 case) were retrospectively analyzed. Results: Four cases of benign stromal tumors were single, one case was multiple (one stromal tumor in the stomach and small intestine) and 10 cases were malignant stromal tumors. Malignant tumors are generally larger than benign tumors. CT density uniformity: 3 evenly benign tumors; 3 uniformly malignant tumors, uneven 7. CT density: benign and gastrointestinal wall compared to three equal density; malignant and other three density, low density of three, and so the low density of three, such as low density of a. Tumor margins: benign 3 no lobes, clear boundaries; malignant lobular 5, no lobular 5. Enhanced after CT enhancement: benign enhancement enhanced uniform, enhanced malignant enhancement uneven. Conclusion: The CT findings of gastrointestinal stromal tumors have certain characteristics, which have certain value for diagnosis