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目的探讨胃间质瘤的CT诊断价值。方法回顾性分析经病理免疫组化证实的20例胃间质瘤的CT表现。结果肿瘤呈类圆形或不规则形,向胃腔内、外或同时向腔内外生长,瘤内密度均匀或呈混杂密度,增强扫描肿瘤多数延迟强化,邻近胃壁正常。20例胃间质瘤中,恶性9例,潜在恶性5例,良性6例;肿块最大径>5cm,形态不规则,边界不清,密度不均匀,向腔内外生长,浸润周围组织多见于恶性间质瘤。结论 CT对胃间质瘤的定位及良恶性判断有重要价值。
Objective To investigate the value of CT in the diagnosis of gastric stromal tumors. Methods The CT findings of 20 cases of gastric stromal tumors confirmed by pathological immunohistochemistry were analyzed retrospectively. Results The tumors showed a round or irregular shape, which grew into the inside and outside of the gastric cavity or outside of the cavity. The density of the tumor was even or mixed. The enhanced enhancement of delayed enhancement of the scanned tumor was normal to the adjacent gastric wall. In 20 cases of gastric stromal tumors, 9 cases were malignant, 5 cases were malignant, 5 cases were benign and 6 cases were benign. The maximal diameter of tumor was> 5 cm. The shape of the tumor was irregular with unclear boundary and uneven density. Stromal tumor. Conclusion CT has important value in the localization of gastric stromal tumors and benign and malignant tumors.