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Large Bowel

  • Luís Curvo Semedo
Chapter

Abstract

The inclusion of diffusion-weighted imaging (DWI) into abdominal magnetic resonance (MR) protocols for the study of the large bowel is steadily rising. Reported potential benefits of DWI constitute the rationale for including these sequences in the study protocols: it may lead to an increased accuracy in the detection of colonic diseases and in the characterization of colonic wall abnormalities; it may help to increase MR accuracy regarding assessment of disease activity and treatment response in inflammatory conditions, most notably ulcerative colitis and Crohn’s disease; it could provide a noninvasive imaging evaluation that eventually may obviate the need for intravenous gadolinium administration, even—as suggested in some works—without the need for fasting or need for bowel cleansing and distension, therefore reducing patient discomfort and improving compliance. These theoretical benefits of DWI will be addressed in the present chapter.

Keywords

Colon Magnetic resonance imaging Diffusion-weighted imaging Inflammatory bowel disease Polyp Cancer 

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • Luís Curvo Semedo
    • 1
  1. 1.Medical Imaging Department, Coimbra Hospital and University Centre, Faculty of MedicineUniversity of CoimbraCoimbraPortugal

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