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• Clinical Article •
Comparison of conventional cholangiopancreatography and compressed sensing cholangiopancreatography in the display of biliary dilatation and pancreatic duct dilatation
WANG Mengke  BAI Yan  MENG Nan  WANG Meiyun 

Cite this article as: Wang MK, Bai Y, Meng N, et al. Comparison of conventional cholangiopancreatography and compressed sensing cholangiopancreatography in the display of biliary dilatation and pancreatic duct dilatation[J]. Chin J Magn Reson Imaging, 2021, 12(3):30-33. DOI:10.12015/issn.1674-8034.2021.03.007.


[Abstract] Objective: To compare the image qualities of conventional cholangiopancreatography and compressed-sensing cholangiopancreatography imaging for biliary dilatation imaging and bile duct structure display for clinical selection of more suitable imaging methods.Materials and Methods: A retrospective study of 37 patients with pancreaticobiliary duct dilatation in Henan Provincial People's Hospital from July 2019 to December 2019 was investigated. Patients underwent conventional MRCP and CS-MRCP on a 1.5 T scanner (MAGNETOM Sempra, Siemens). A 5-point scale was used to evaluate image quality. One radiologist with more than 5 years of clinical experience and another one with 2 years of clinical experience scored the image quality. The results were analyzed using SPSS software paired t test.Results: There is no statistical difference in overall image quality, bile duct dilatation and pancreatic duct dilatation display on both conventional MRCP and CS-MRCP (P＞0.05). The scores of dilated bile ducts are higher than the overall image quality score and pancreatic duct dilatation score. There was no statistical difference in the image scores of bile duct dilatation caused by stones and bile duct dilatation caused by masses.Conclusions: There is no significant difference in image quality between compressed sensing cholangiopancreatography and conventional cholangiopancreatography, however, compressed sensing cholangiopancreatography can effectively shorten the imaging time and reduce respiratory motion artifacts.
[Keywords] magnetic resonance cholangiopancreatography；compressed sensing；biliary dilatation；pancreatic duct dilatation；structure display

WANG Mengke1   BAI Yan2   MENG Nan1   WANG Meiyun2*  

1 Department of Radiology, Zhengzhou University People's Hospital, Zhengzhou 450003, China

2 Henan Provincial People's Hospital, Zhengzhou 450003, China

Wang MY, E-mail: mywang@ha.edu.cn

Conflicts of interest   None.

ACKNOWLEDGMENTS  This article is supported by the National Natural Science Foundation of China No. 81720108021 Scientific and Technological Research Project of Henan Province No. 182102310496
Received  2020-10-21
Accepted  2021-01-21
DOI: 10.12015/issn.1674-8034.2021.03.007
Cite this article as: Wang MK, Bai Y, Meng N, et al. Comparison of conventional cholangiopancreatography and compressed sensing cholangiopancreatography in the display of biliary dilatation and pancreatic duct dilatation[J]. Chin J Magn Reson Imaging, 2021, 12(3):30-33. DOI:10.12015/issn.1674-8034.2021.03.007.

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