• 1. The medical imaging department, Southwest Medical University, Luzhou 646000, Sichuan Province, China;
  • 2. Department of Radiology, Sichuan Provincial People's Hospital, Sichuan Academy of Medical Sciences, Chengdu 610072, Sichuan Province, China;
YINLong-lin, Email: yinlonglin@163.com
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Objective To investigate clinical value of MRI examination in diagnosis of xanthogranulomatous cholecystitis (XGC), and to analyze pathologic correlation of various imaging findings. Methods MRI imaging data of 7 patients with XGC proved by surgery and pathology who underwent entire MRI sequences examination in Sichuan Provincial People's Hospital from Jan. 2013 to Dec. 2015, were analyzed retrospectively. The thickness and contrast enhancement of gallbladder wall, gallbladder wall nodules, completeness of gallbladder mucosa lines, gallbladder stones, and the changes around the gallbladder were focused in every patient. Results In 7 patients with XGC: gallbladder wall thickening occurred in all patients, in which 2 patients were local thickening, 5 patients were diffuse thickening; ‘hypodense band sign' was found by enhance scan in 4 patients; the multiple intramural nodules were presented in 5 patients, which were low signal intensity on T1WI image and high signal intensity on T2WI image; the mucosal lines were continuous in 6 patients and discontinuous in 1 patient; 6 patients combined with cholecystolithiasis. The fat layer around the gallbladder was found fuzz in 7 patients, liver and gallbladder boundaries were not clear in 7 patients; temporal enhancement of arterial phase in liver parenchyma was observed in all patients, and 1 patient combined with liver abscess. Hilar bile duct narrowed and intra-hepatic bile duct dilated in 2 patients, intra-hepatic and extra-hepatic bile duct slightly dilated in 2 patients (lower part of the choledochus stone was found in 1 patient), liver cyst was observed in 3 patients, single or double kidney cyst was observed in 4 patients; all patients were not found intraperitoneal or retroperitoneal swelling lymph nodes. Conclusion MRI examination can accurately describe various imaging features of XGC, so MRI has important value in diagnosis of XGC.

Citation: GOUWen-xiao, YINLong-lin, XIEHuan, CHENXiao-yu, WANGFu-min. MRI Appearances of Xanthogranulomatous Cholecystitis in 7 Patients. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2016, 23(3): 355-359. doi: 10.7507/1007-9424.20160094 Copy

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