消化道颗粒细胞瘤的影像学表现
发布时间：2018-10-09 07:53
【摘要】：目的探讨消化道颗粒细胞瘤的影像学表现特征,提高对该肿瘤的认识,减少误诊率。方法回顾性分析10例经病理证实的消化道颗粒细胞瘤的影像学(钡餐检查5例,CT平扫9例,CT增强扫描7例,M RI平扫及增强扫描5例)表现。结果 10例消化道颗粒细胞瘤均为单发,其中位于食管4例、胃3例,十二指肠壶腹、回盲部及直肠各1例。5例钡餐检查均表现为光滑充盈缺损。9例CT平扫表现为边缘清楚的略低密度影,其中1例瘤内见点状钙化,1例瘤内见局灶性坏死;7例增强扫描中6例呈轻度均匀强化,1例呈中度不均匀强化,三期扫描均为渐进性强化。5例MRI平扫均呈长T1短T2信号,增强扫描呈轻中度渐进性均匀强化。结论消化道颗粒细胞瘤的钡餐表现为良性肿瘤特征,CT和MRI上多为均匀轻中度渐进性强化、T2WI呈低信号具有一定特征。
[Abstract]:Objective to investigate the imaging features of granulosa cell tumor of digestive tract and to improve the understanding of the tumor and reduce the misdiagnosis rate. Methods the imaging findings of 10 cases of pathologically proved granulosa cell tumor of the digestive tract were retrospectively analyzed (5 cases were examined by barium meal and 9 cases by plain CT enhanced CT in 7 cases with M RI plain scan and 5 cases by enhanced CT scan). Results all 10 cases of Gastrointestinal granulosa cell tumor were single, including 4 cases located in esophagus, 3 cases in stomach, and 3 cases in duodenal ampulla. One case of ileocecal part and one case of rectum showed smooth filling defect in 1 case and 1 case in rectum. The plain scan of CT showed a slightly low-density image with clear margin, and one case of ileocecum and one case of rectum showed smooth filling defect. In 1 case, focal necrosis was found in 1 case. Among 7 cases, 6 cases showed mild homogeneous enhancement and 1 case showed moderate heterogeneous enhancement. All cases showed progressive enhancement in 5 cases and long T 1 and short T 2 signal intensity in all cases. The enhancement scan showed mild to moderate progressive homogeneous enhancement. Conclusion the barium meal features of granulosa cell tumor of the digestive tract are benign tumors. On CT and MRI, most of them are homogeneous, mild and moderate enhanced T2WI with low signal intensity.
【作者单位】： 济宁医学院附属医院影像中心;济宁市第一人民医院影像中心;山东大学齐鲁医院放射科;
【分类号】：R445.2;R730.44;R735
本文编号：2258563
[Abstract]:Objective to investigate the imaging features of granulosa cell tumor of digestive tract and to improve the understanding of the tumor and reduce the misdiagnosis rate. Methods the imaging findings of 10 cases of pathologically proved granulosa cell tumor of the digestive tract were retrospectively analyzed (5 cases were examined by barium meal and 9 cases by plain CT enhanced CT in 7 cases with M RI plain scan and 5 cases by enhanced CT scan). Results all 10 cases of Gastrointestinal granulosa cell tumor were single, including 4 cases located in esophagus, 3 cases in stomach, and 3 cases in duodenal ampulla. One case of ileocecal part and one case of rectum showed smooth filling defect in 1 case and 1 case in rectum. The plain scan of CT showed a slightly low-density image with clear margin, and one case of ileocecum and one case of rectum showed smooth filling defect. In 1 case, focal necrosis was found in 1 case. Among 7 cases, 6 cases showed mild homogeneous enhancement and 1 case showed moderate heterogeneous enhancement. All cases showed progressive enhancement in 5 cases and long T 1 and short T 2 signal intensity in all cases. The enhancement scan showed mild to moderate progressive homogeneous enhancement. Conclusion the barium meal features of granulosa cell tumor of the digestive tract are benign tumors. On CT and MRI, most of them are homogeneous, mild and moderate enhanced T2WI with low signal intensity.
【作者单位】： 济宁医学院附属医院影像中心;济宁市第一人民医院影像中心;山东大学齐鲁医院放射科;
【分类号】：R445.2;R730.44;R735
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