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十二指肠Brunner腺腺瘤(Brunner gland adenoma,BGA)是较少见的良性肿瘤,术前诊断比较困难,国内文献多为个例报道。本研究回顾性分析7例经手术或内镜并由病理证实的十二指肠Brunner腺腺瘤的多排螺旋CT表现,总结分析其CT影像学特点,以提高对其诊断的准确率。
十二指肠Brunner腺腺瘤的CT表现(附7例病例报道)
CT imaging features of duodenal Brunner′s gland adenoma(with 7 cases analysis)
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摘要:
目的 探讨十二指肠Brunner腺腺瘤的CT影像学表现。 方法 回顾性分析7例经病理证实的十二指肠Brunner腺腺瘤CT表现。 结果 十二指肠Brunner腺腺瘤表现为密度均匀或不均匀的类圆形或长条形肿块,直径1.5~5.1 cm不等,平均4.1 cm,边缘清晰;CT平扫示肿瘤实体部分密度均与临近肠壁密度相似,增强扫描动脉期均呈中度不均匀强化,门静脉期均呈渐进性强化,密度仍欠均匀。 结论 十二指肠Brunner腺腺瘤的CT表现具有一定的特点,对其影像特征的认识可减少误诊率,但最终确诊仍有赖于病理诊断。 -
关键词:
- 十二指肠 /
- Brunner腺 /
- 腺瘤 /
- 体层摄影术, X线计算机 /
- X线影像增强
Abstract:Objective To investigate the CT imaging features of duodenal Brunner′s gland adenoma. Methods CT imaging data of 7 pathologically confirmed duodenal Brunner′s gland adenomas were retrospectively analyzed. Results Duodenal Brunner′s gland adenomas were round or strip-like shaped tumors with homogeneous or heterogeneous density, with a clear margin. The size of tumors ranged from 1.5~5.1 cm, and 4.1 cm in average. The solid part of tumors has a similar density compared to the adjacent intestinal wall on plain CT, and has a moderately heterogeneous enhancement in the arterial phase after contrast agent administration. In the portal venous phase, the tumors were progressively but still heterogeneous enhanced. Conclusions There are some specific imaging features of duodenal Brunner′s adenoma. The cognition of its imaging features makes accurate diagnosis possible, but the definitive diagnosis still requires pathological diagnosis. -
Key words:
- Duodenum /
- Brunner glands /
- Adenoma /
- Tomography, X-ray computed /
- Radiographic image enhancement
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