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    Current status of MR colonography.

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    Authors
    Thornton, Eavan
    Morrin, Martina M
    Yee, Judy
    Affiliation
    Department of Radiology, Beaumont Hospital, Beaumont, Dublin 9, Ireland. eavanthornton@gmail.com
    Issue Date
    2010-01
    MeSH
    Colonic Polyps
    Colorectal Neoplasms
    Contrast Media
    Humans
    Image Enhancement
    Magnetic Resonance Imaging
    
    Metadata
    Show full item record
    Citation
    Current status of MR colonography. 2010, 30 (1):201-18 Radiographics
    Journal
    Radiographics : a review publication of the Radiological Society of North America, Inc
    URI
    http://hdl.handle.net/10147/127094
    DOI
    10.1148/rg.301095519
    PubMed ID
    20083594
    Additional Links
    http://radiographics.rsna.org/content/30/1/201.full.pdf+html
    Abstract
    The search for an acceptable colorectal cancer screening examination has led to the development of virtual colonoscopy, which includes both computed tomographic (CT) colonography and magnetic resonance (MR) colonography. As indicated by the much larger number of published studies on CT colonography than on MR colonography, multidetector CT appears to be more suitable for colorectal screening than does MR colonography, in part reflecting the ease and speed of performing CT, as well as the increased spatial resolution, decreased cost, and wider availability of CT colonography. The main advantage of MR colonography over CT colonography is that it does not use ionizing radiation, which has important implications for colorectal cancer screening. The use of dark-lumen MR colonography to screen patients for colorectal cancer as well as other abdominopelvic disease could make it more attractive than CT. With the integration of 3.0-T MR colonography, fecal tagging, and parallel imaging into research and clinical settings, new MR colonography protocols must be optimized. Future MR colonography research should address issues such as image characteristics, presence of artifacts, management of specific absorption rate, and hardware-related modifications.
    Item Type
    Article
    Language
    en
    ISSN
    1527-1323
    ae974a485f413a2113503eed53cd6c53
    10.1148/rg.301095519
    Scopus Count
    Collections
    Beaumont Hospital

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