Atlas of Virtual Colonoscopy by Abraham H.Dachman

Author:Abraham H.Dachman
Language: eng
Format: epub
Publisher: Springer-Verlag Wien 2012
Published: 2015-01-31T16:00:00+00:00

Finally, the IV application of paramagnetic contrast agents permits a more comprehensive assessment of parenchymal abdominal organs contained within the field of view. By combining pre- and postcontrast T1-weighted imaging, the liver can be accurately evaluated regarding the presence and type of concomitant pathology. Dark-lumen MRC also offers new perspectives regarding optimization of bowel distention. Although the administration of water as a rectal enema does not adversely affect patient comfort in most cases, a modified strategy could be based on the application of gases like CO2 (Lomas et al. 2001) or room air (Morrin et al. 2001). Gas has no signal and would thus easily permit delineation of the contrast-enhanced colonic wall and masses. This approach has been shown to be feasible in smaller patient groups (Lomas et al. 2001; Morrin et al. 2001).

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