Pearls and Pitfalls
Differentiation of mechanical large bowel obstruction (LBO) from colonic pseudo-obstruction is crucial.
Colonoscopic examination is a beneficial diagnostic and potentially therapeutic modality.
The most frequent cause of LBO is colorectal cancer, and the most frequent site is the sigmoid colon followed by splenic flexure.
Volvulus of the sigmoid colon is the second most frequent cause of LBO and occurs most commonly in elderly, chronically constipated patients.
Timing, grading, site of obstruction, competency of the ileocecal valve, presence of ischemia or perforation, presence of locally advanced or metastatic disease, and operating skill influence the prognosis of patients and choice of the procedure.
Obstructing right colon cancer can be treated usually with primary resection and anastomosis; however, a protective ileostomy should be considered in selected patients.
Obstructing left colon cancer is more likely to necessitate resection with end colostomy; in...
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Habr-Gama, A., Campos, F.G. (2009). Large Bowel Obstruction. In: Bland, K.I., Büchler, M.W., Csendes, A., Sarr, M.G., Garden, O.J., Wong, J. (eds) General Surgery. Springer, London. https://doi.org/10.1007/978-1-84628-833-3_68
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