Automated Insufflation of Carbon Dioxide for MDCT Colonography: Distension and Patient Experience Compared with Manual Insufflation
David Burling1,
Stuart A. Taylor1,2,
Steve Halligan1,2,
Louise Gartner1,
Mehjabeen Paliwalla1,
Chandani Peiris1,
Leanne Singh1,
Paul Bassett1 and
Clive Bartram1
1 Department of Intestinal Imaging, St. Mark's and Northwick Park Hospitals,
Harrow, United Kingdom HA1 3UJ.
2 Present address: Department of Imaging, University College Hospital, 235
Euston Rd., London, United Kingdom NW1 2BU.

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Fig. 1A CT colonography images show grades of distention. Grade 1
colonic distention in 63-year-old man. Complete luminal collapse is seen in
rectum (arrows).
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Fig. 1B CT colonography images show grades of distention. Grade 2
colonic distention in 68-year-old woman. Partial luminal collapse is seen in
sigmoid colon (arrows).
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Fig. 1C CT colonography images show grades of distention. Grade 3
colonic distention in 76-year-old man. Reasonable but suboptimal luminal
distention is seen in ascending colon (arrows).
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Fig. 1D CT colonography images show grades of distention. Grade 4
colonic distention in 70-year-old man. Optimal luminal distention is seen in
splenic flexure.
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Copyright © 2006 by the American Roentgen Ray Society.