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目的探讨18F-FDG（18F-脱氧葡萄糖）正电子发射断层显像/计算机断层显像（positron emission tomography/computed tomography，PET/CT）对腹泻型肠易激综合征（diarrhea predominant irritable bowel syndrome，IBS-D）腹部显像的诊断价值。方法对该院2例经临床诊断为IBS-D的患者进行PET/CT腹部显像。结果患者大部分结肠段18FFDG 最大标准摄取值（SUVmax）＞2.50，摄取18FFDG最高的部位在乙状结肠，SUVmax最高达13.7，CT显示相应肠段未见肠壁异常改变。结论IBSD患者在PET/CT上可表现为结肠肠段摄取18F-FDG异常增高，相应肠段解剖结构无异常，周围淋巴结无异常。PET/CT可以发现IBS-D患者功能活跃的肠段，有助于活检定位进行研究。
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更新时间：2015-03-31
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18F-FDG PET/CT显像对腹泻型肠易激综合征的诊断价值
The diagnostic value of 18F-FDG PET/CT image in diarrhea predominant irritable bowel syndrome
微创医学 201402期 页码：129-131
作者机构：(1 广西医科大学2011级医学影像与核医学专业硕士研究生,南宁市530021;2 广西医科大学一附院PET/CT部,南宁市530007)
基金信息：
作者简介：李小姣（
1985
～），女，在读硕士研究生，研究方向：
PET/CT
。
- 中文简介
- 英文简介
- 参考文献
ObjectiveTo evaluate the diagnostic value of 18F-FDG PET/CT in diarrhea predominant irritable bowel syndrome(IBS-D).MethodsTwo cases of IBS-D diagnosed with clinical symptom were performed with 18F-FDG PET/CT examination. ResultsStandard uptake value (SUV) was more than 2.50 in most sites of colon, with the highest SUV in sigmoid colon, and the SUVmax was up to 13.7. But no abnormal CT image was showed in the corresponding bowel position. ConclusionsThe patients with IBS-D might exhibit high 18F-FDG uptake in their colon,with no anatomical structure abnormality in corresponding colon sites or abnormal peripheral lymph node. PET/CT can spot the colon regions of active bowel function, which is beneficial to the positioning of biopsy.
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