By Lieven Van Hoe MD, PhD, Dirk Vanbeckevoort MD, Koen Mermuys MD, Werner Van Steenbergen MD, PhD (auth.)
Magnetic resonance cholangiopancreatography (MRCP) is a singular non-invasive method for analysis of pancreatic-biliary affliction. the aim of this booklet is to focus on the benefits, boundaries and symptoms of MRCP. particular examples were chosen to exhibit the application of this system in a wide number of scientific stipulations. every one instance is purposefully used to emphasize very important technical gains, to provide sensible suggestion, or to debate the position of MRCP in particular medical events. vital beneficial properties of the ebook are the top of the range of the illustrations, the relief of the textual content to correct and virtually necessary matters, and the straightforward and common sense supplier of the case fabric. The booklet may still exhibit: the optimum procedure in MRCP, the pitfalls and limitations.
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Additional resources for MR Cholangiopancreatography: Atlas with Cross-Sectional Imaging Correlation
1994) References Anzai Y, Blackwell KE, Hirschowitz SL et al. (1994) Initial clinical experience with dextran-coated superparamagnetic iron oxide for detection of lymph node metastases in patients with head and neck cancer. Radiology 192 : 709 – 715 Rogers JM, Lewis J, Josephson L (1994) Visualization of superior mesenteric lymph nodes by the combined oral and intravenous administration of the ultrasmall superparamagnetic iron oxide AMI 227. Magn Reson Imaging 12 : 1161 – 1165 Senéterre E, Taourel P, Bouvier Y et al.
1997) Pancreatic duct: morphologic and functional evaluation with dynamic MR pancreatography after secretin stimulation. Radiology 203 : 435 – 41 Van Hoe L, Mermuys K, Vanhoenacker P (2004) MRCP pitfalls. Abdom Imaging 29 : 360 – 387 1 MRCP Technique a b c d Fig. 6 a,b. Elderly patient. a The quality of the pro- jective (RARE) image is severely degraded by respiratory artifact. Choledocholithiasis cannot be ruled out. b Heavily T2-weighted snapshot (HASTE) image adequately showing the anatomy of the distal common bile duct; no stone.
B Heavily T2-weighted snapshot (HASTE) image adequately showing the anatomy of the distal common bile duct; no stone. c Projective image severely degraded by the presence of ascites. Adequate interpretation is not possible. 1 MR Sequences #7 An Alternative Approach: Calculation of MaximumIntensity Projection Images KEY FACTS ● Maximum-intensity projection (MIP): postprocessing technique that calculates projective images from a stack of crosssectional images ● Principle (Laub 1990): – Mathematical rays are projected in the desired viewing direction through a stack of reconstructed sections.