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Gastroenterologie 21. Dezember 2015

Factors affecting the difficulty of laparoscopic total mesorectal excision for mid- to lower rectal cancer

Background: The purpose of this study was to evaluate the predictive value of clinical and anatomical features on magnetic resonance imaging (MRI) that can affect pelvic dissection time for treating mid- to lower rectal cancer.

Methods: A total of 90 consecutive male patients who underwent total mesorectal excision for mid- to lower rectal cancer were retrospectively assessed. MRI pelvimetry data were analyzed to identify anatomical features that could affect pelvic dissection time.

Results: Univariate analysis indicated that tumor distance from the anal verge (p = 0.001), preoperative chemoradiotherapy (p  = 0.002), and interspinous distance (p = 0.002) were significantly associated with pelvic dissection time.

Conclusion: Patients with a short interspinous distance may require a longer pelvic dissection time for treating rectal cancer by resection.

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