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| Analysis and study on the clinical value of MR plain scan and MRCP imaging in the diagnosis of duodenal diverticulum |
| LI Hong-yi1 LIU He1 YANG Jing-yao2 DONG Shuang3▲ HU Ming-cheng1 YIN Yan-wei1 XING Jian1 HU Zhi-wen4 |
| 1.Department of MR,the Affiliated Hongqi Hospital,Mudanjiang Medical College,Heilongjiang Province,Mudanjiang 157000,China;2.Department of Radiology,the Affiliated Hongqi Hospital,Mudanjiang Medical College,Heilongjiang Province,Mudanjiang 7000,China;3.Department of Ultrasonography,the Affiliated Hongqi Hospital,Mudanjiang Medical College,Heilongjiang Province,Mudanjiang 157000,China;4.Department of Radiology,Mudanjiang Women and Children′s Hospital,Heilongjiang Province,Mudanjiang 157000,China |
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Abstract Objective To analyze the MRI and magnetic resonance cholangiopancreatography(MRCP)manifestations of duodenal diverticulum,and to expore the clinical value and significance of periampullary diverticulum(PAD).Methods 46 patients with duodenal diverticulum who underwent MRI and MRCP confirmed by upper gastrointestinal tract imaging,cholangiography or endoscopy from October 2015 to October 2017 were retrospectively analyzed.The diverticulum location,size and signal characteristics,as well as the correlations between bile duct,pancreas and other associated signs were analyzed.Results There were a total of 49 diverticula in 46 patients with duodenal diverticulum,43 of whom were single diverticulum,and 3 of whom were multiple diverticula.Most of them were with the diameter of 10-25 mm.18(40.82%)diverticula contained fluid alone,without gas composition;3(6.12%)diverticula contained gas alone,without fluid composition;23(53.06%)diverticula contained gas-liquid mixture and gas-liquid level;5(10.20%)diverticula contained mixed ingredients such as food residues.Conclusion MRI and MRCP have a high accuracy in the diagnosis of duodenal diverticulum,which has an important guiding significance for clinical treatment.
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