Ileal-anal pouches: A review of its history, indications, and complications

Figure 5 Obstruction to pouch outflow usually occurs at the level of the anastomosis. A: A coronal computed tomography image demonstrating a pouch outlet stricture. A stricture at the level of the anastomosis (arrow) caused a dilated pouch that could not empty without intubation; B: A pouchogram of the same patient confirmed an anastomotic stricture that eventually yielded to serial Hegar dilations.