Abstract
Conventional (radiographic) defecography has an established role as the benchmark test in the assessment of the postoperative anatomy after the construction of an ileo-anal pouch, a colo-anal anastomosis, or novel endoanal stapled resections such as the stapled transanal rectal resection procedure (and its variants). In addition to depicting the most common postoperative complications such as dehiscence and sinus tract formation, defecography shows the potential causes of poor postoperative functional outcomes including strictures, neorectal enlargement with delayed emptying and contrast retention, asymmetric wall out-pocketing, and abnormal lengthening of a rectal segment distal to the anastomotic site. This chapter outlines the radiological perspective and interpretation of these complex patients in whom postoperative functional outcome is compromised and provides management algorithms for an approach to reoperative surgery.
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Piloni, V.L., Asteria, C.R., Bellarosa, S. (2013). Defecography. In: Zbar, A., Madoff, R., Wexner, S. (eds) Reconstructive Surgery of the Rectum, Anus and Perineum. Springer, London. https://doi.org/10.1007/978-1-84882-413-3_2
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