Minimum intensity projections of the biliary system using 16-channel multidetector computed tomography in patients with biliary obstruction: comparison with MRCP

European Radiology
Timm DeneckeChristian Stroszczynski

Abstract

The objective was the evaluation of minimum intensity projections (MinIP) of 16-channel multidetector computed tomography (MDCT) data for the visualization of biliary ducts with magnetic resonance cholangiopancreatography (MRCP) as reference method. Twenty-five patients with biliary obstruction who received MDCT of the abdomen and MRCP without subsequent interventions were analysed. Coronal and axial MinIP were reconstructed from the MDCT-data. The evaluation of image quality and the quantitative comparison to MRCP was performed by two observers in consensus. The additional diagnostic value of MinIP compared with conventionally visualised MDCT was assessed by three independent observers. With MRCP as the reference method, MinIP was superior to conventional MDCT concerning the visualization of the extent of bile duct dilatation (r, 1.000 vs 0.699) and the correlation of diameter measurement (r, 0.979 vs 0.942). Subsidiary to conventional MDCT, MinIP revealed an improvement of visualization of the biliary system in 73% of cases. Concerning the additional diagnostic value, MinIP allowed for a better definition of the obstruction site in 13% of patients, and in one patient a change of diagnosis was observed. Thus, MinIP can improve...Continue Reading

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Citations

Apr 5, 2013·World Journal of Gastroenterology : WJG·Chang Whan KimSok Won Han
Feb 24, 2016·AJR. American Journal of Roentgenology·Fang-Ming ChenChun-Juan Jiang
Oct 30, 2007·Current Problems in Diagnostic Radiology·Stephan W AndersonJorge A Soto
Dec 16, 2011·Journal of Hepato-biliary-pancreatic Sciences·Itaru EndoHiroshi Shimada
Jul 27, 2010·Journal of Computer Assisted Tomography·Myeong-Jin KimYong Eun Chung
Apr 25, 2007·Contrast Media & Molecular Imaging·Yukihiro HamaHisataka Kobayashi
Nov 29, 2008·Korean Journal of Radiology : Official Journal of the Korean Radiological Society·Sang Won KimChang Ho Kim
Oct 23, 2016·Abdominal Radiology·Qihong NiJian Wang
Nov 28, 2020·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·Alessia Cordella, Giovanna Bertolini
Dec 29, 2020·European Journal of Radiology·Christian BoozMoritz H Albrecht

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