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 SYMPOSIUM
Year : 2010  |  Volume : 56  |  Issue : 2  |  Page : 109-116

Current and emerging techniques in gastrointestinal imaging


Joint Department of Medical Imaging, University Health Network and Mount Sinai Hospital, University of Toronto, 610 University Ave, Toronto, ON, M5G 2M9, Canada

Correspondence Address:
K Jhaveri
Joint Department of Medical Imaging, University Health Network and Mount Sinai Hospital, University of Toronto, 610 University Ave, Toronto, ON, M5G 2M9
Canada
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0022-3859.65280

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This review is devoted to current and emerging techniques in gastrointestinal (GI) imaging. It is divided into three sections focusing on areas that are both interesting and challenging: imaging of the small bowel and appendix, imaging of the colon and rectum and finally liver and pancreas in the upper abdomen. The first section covers cross-sectional imaging of the small bowel using the techniques of multidetector computed tomography (MDCT) (including CT enterography) and magnetic resonance imaging (MRI). The evaluation of mesenteric ischemia and GI tract bleeding using MDCT angiography is also reviewed. Current imaging practice in the evaluation of appendix is also reviewed and illustrated. The second section reviews CT and MR colonography and imaging of the rectum. It describes CT virtual colonoscopy (CTVC) with emphasis on the advantages and disadvantages of the technique with discussion of the role of CTVC in screening. The intriguing topic of MR colonography (MRC) is also reviewed. Imaging of the rectum with emphasis on imaging of rectal cancer is described with the roles of CT, MR, endoluminal ultrasound and positron emission tomography scanning discussed. The final section reviews current and emerging techniques in liver imaging with the role of ultrasound including contrast ultrasound, MDCT and MR (including contrast agents) discussed. The new developments and applications of imaging of pancreatic disease are discussed with emphasis on the role of MDCT and MRI with gadolinium. This review highlights the current role and advancement of imaging techniques with new diagnostic and prognostic information pertinent to gastrointestinal disease continuing to emerge.






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Online since 12th February '04
2004 - Journal of Postgraduate Medicine
Official Publication of the Staff Society of the Seth GS Medical College and KEM Hospital, Mumbai, India
Published by Wolters Kluwer - Medknow