PMC7186010_01
PMC7186010_02
A fluoroscopic defecography image in the anteroposterior projection. A diverticular cavity (white arrows) surrounding the rectal lumen (black arrowheads) contained a thumbnail-sized fecalith (black arrow).
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Fluoroscopic defecography and CT scans showed that the mucosal cavity was present along half of the overall circumference of the lower rectum (Figure 1, 2).
Contrast-enhanced abdominopelvic computed tomography scan at the hip joint level, showing protrusion of a large pocket (arrows) into the rectal lumen (arrowheads). The pocket contained a fecal mass (asterisk).
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Fluoroscopic defecography and CT scans showed that the mucosal cavity was present along half of the overall circumference of the lower rectum (Figure 1, 2).
Excised specimen showing a partial opening along the suture line (arrowheads); the opening communicated with the periluminal pocket.
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The resected rectal specimen showed partial disappearance of the procedure for prolapse and hemorrhoids (PPH) scar and the formation of an intramural sinus flanked on both sides by developing endorectal orifices (Figure 3). This fistula was diagnosed preoperatively as a rectocele (Figure 3).
PMC7186010_03