What is the role of a cecal bascule in the pathophysiology of sigmoid and cecal volvulus?

Updated: Jul 24, 2020
  • Author: Scott C Thornton, MD; Chief Editor: John Geibel, MD, MSc, DSc, AGAF  more...
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In contrast, a cecal bascule occurs when the malfixed cecum folds anteriorly over the ascending colon (see the image below) in an axis at right angles to the mesentery. Because no torsion of the ileocolic mesentery is present, vascular compromise of the cecum rarely occurs. Vascular compromise occurs more commonly in cases in which significant distention is present, which prevents the cecum from unfolding into its normal position.

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