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Open AccessArticle

Optimized Breath-Hold Compressed-Sensing 3D MR Cholangiopancreatography at 3T: Image Quality Analysis and Clinical Feasibility Assessment

1
Department of Radiology, Jeonbuk National University Medical School and Hospital, Jeonju 54907, Korea
2
Research Institute of Clinical Medicine of Jeonbuk National University, Jeonju 54907, Korea
3
Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju 54907, Korea
4
Department of Internal Medicine, Jeonbuk National University Medical School, Jeonju 54907, Korea
5
Siemens Healthineers Ltd., 91052 Erlangen, Germany
6
Siemens Healthineers Ltd., Seoul 03737, Korea
*
Author to whom correspondence should be addressed.
Diagnostics 2020, 10(6), 376; https://doi.org/10.3390/diagnostics10060376
Received: 17 May 2020 / Revised: 31 May 2020 / Accepted: 4 June 2020 / Published: 5 June 2020
(This article belongs to the Special Issue Advanced Techniques in Body Magnetic Resonance Imaging)
Magnetic resonance cholangiopancreatography (MRCP) has been widely used in clinical practice, and recently developed compressed-sensing accelerated MRCP (CS-MRCP) has shown great potential in shortening the acquisition time. The purpose of this prospective study was to evaluate the clinical feasibility and image quality of optimized breath-hold CS-MRCP (BH-CS-MRCP) and conventional navigator-triggered MRCP. Data from 124 consecutive patients with suspected pancreaticobiliary diseases were analyzed by two radiologists using a five-point Likert-type scale. Communication between a cyst and the pancreatic duct (PD) was analyzed. Signal-to-noise ratio (SNR) of the common bile duct (CBD), contrast ratio between the CBD and periductal tissue, and contrast-to-noise ratio (CNR) of the CBD and liver were measured. Optimized BH-CS-MRCP showed significantly fewer artifacts with better background suppression and overall image quality. Optimized BH-CS-MRCP demonstrated communication between a cyst and the PD better than conventional MRCP (96.7% vs. 76.7%, p = 0.048). SNR, contrast ratio, and CNR were significantly higher with optimized BH-CS-MRCP (p < 0.001). Optimized BH-CS-MRCP showed comparable or even better image quality than conventional MRCP, with improved visualization of communication between a cyst and the PD. View Full-Text
Keywords: data compression; magnetic resonance imaging; breath-holding; cholangiopancreatography; magnetic resonance; imaging; three-dimensional data compression; magnetic resonance imaging; breath-holding; cholangiopancreatography; magnetic resonance; imaging; three-dimensional
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Song, J.S.; Kim, S.H.; Kuehn, B.; Paek, M.Y. Optimized Breath-Hold Compressed-Sensing 3D MR Cholangiopancreatography at 3T: Image Quality Analysis and Clinical Feasibility Assessment. Diagnostics 2020, 10, 376.

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