Magnetic resonance cholangiography for biliary tract disease

Hong Ming Tsai, Xi Zhang Lin, Chiung Yu Chen, Pin Wen Lin, Chin Chiang Hsieh, Chin Yin Yu

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MR cholangiography (MRC) is a newly developed non-invasive imaging modality for the evaluation of biliary tract diseases. In this prospective study, we investigate whether MRC may provide valuable cholangiographic images. As well we compare MRC with PTC and ERC in the diagnosis of biliary tract disease. Twenty patients simultaneously underwent a heavily T2-weighted gradient-echo sequence of two-dimentional (2D) and three dimensional (3D)-MRC. Among these 20 patients with obstructive jaundice, the distribution of lesions were as follows: 7 at liver hilum; 6 at the CBD; and 7 with bile duct stones (including 4 with concurrent CBD and IHD stones). Sixteen out of the 20 patients underwent ERCP and 13 patients, PTCD. The images were evaluated without prejudicial selection. Imaging of the biliary system was satisfactory in 75%, 45%, 69% and 31% for 2D-MRC, 3D-MRC, PTCD and ERCP respectively. Although the rate of well-performed images in 2D-MRC is higher than for PTC and ERC, the reconstructional images of 2D-MRC are fuzzy. 3D-MRC reconstructional imaging provides better quality than that of 2D-MRC, but is accompanied by a higher failure rate due to motion artifact.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalChinese Journal of Radiology
Issue number1
Publication statusPublished - 1997 Feb

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging


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