How is idiopathic megabowel identified in the workup of constipation?

Updated: Mar 30, 2020
  • Author: Marc D Basson, MD, PhD, MBA, FACS; Chief Editor: BS Anand, MD  more...
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Controlled pressure-based rectal distention with fluoroscopic rectal imaging to measure the rectal diameter at the minimal distention pressure may be useful in identifying idiopathic megabowel in the absence of an organic cause or other problems. [21]

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