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胃肠道神经内分泌肿瘤的影像学表现与病理分级
周冰,苏刚,李斌,王省白
0
浙江省嘉兴市中医医院放射科(嘉兴 314000);浙江省嘉兴市第二医院放射科(嘉兴 314000)
摘要:
目的:探讨胃肠道神经内分泌肿瘤的影像特征并预测病理分级的价值。方法:回顾分析 14 例胃肠道神经内分泌肿瘤患者的影像学表现及临床资料。将肿瘤的病理分级分为神经内分泌瘤 NET 组(包括 G1 级、G2 级)及神经内分泌癌NEC 组(G3 级)。根据肿瘤的 CT 及 MRI 表现 , 分析两组之间差别。结果:肿瘤位于食管 1 例,胃 2 例,小肠 4 例,阑尾 2 例,结肠 3 例,直肠 2 例。NET 组 10 例中G1 级 6 例,G2 级 4 例;NEC 组 G3 级 4 例。结论:胃肠道神经内分泌肿瘤有一定的影像学特征,肿瘤大小、形状、边缘、均质程度、外侵和转移等可以在术前预测其病理分级。
关键词:  胃肠神经内分泌肿瘤  影像学  病理分级
DOI:10.3969/j.issn.1007-6948.2019.02.002
基金项目:
Imaging Manifestations and Pathological Grading of Gastrointestinal Neuroendocrine Neoplasms
ZHOU Bing,SU Gang,LI Bin,WANG Sheng-bai
Department of Radiology, Jiaxing TCM Hospital, Jiaxing Zhejiang ( 314000), China
Abstract:
Objective To investigate the imaging features of gastrointestinal neuroendocrine tumors and to predict the value of pathological grading. Methods The imaging ?ndings and clinical data of 14 patients with gastrointestinal neuroendocrine tumors were retrospectively analyzed. The pathological grading of the tumors was divided into neuroendocrine tumors (NET) group (G1 and G 2 ) and neuroendocrine cancer (NEC) group (G3). The differences between the two groups were analyzed according to the CT and MRI manifestations of the tumors. Results One case was located in esophagus, 2 cases in stomach, 4 cases in small intestine, 2 cases in appendix, 3 cases in colon and two cases in rectum. In the NET group, there were 6 cases of grade G1 and 4 cases of grade G2. And in the NEC group, there were 4 cases of grade G3. Conclusion Gastrointestinal neuroendocrine tumors have certain imaging characteristics. The size, shape, margin, even degree, invasion and metastasis of the tumors can be used to predict the pathological grading preoperatively.
Key words:  Gastroenteropancreatic neuroendocrine neoplasms  imaging manifestations  pathological grading

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