Abstract
Background and objectives
En bloc bladder resection is often required for treating colorectal cancer with suspected urinary bladder invasion. Our aim was to review our institutional experience in en bloc resection of locally advanced colorectal cancer involving the urinary bladder over a period of 17 years.
Methods
The hospital records of 72 patients with locally advanced colorectal cancer who underwent en bloc urinary bladder resection at our institution between July 1987 and December 2004 were retrospectively reviewed. Clinical and oncologic outcomes were evaluated.
Results
The mean duration of follow-up was 64.3 months. Genuine tumor invasion into the urinary bladder was confirmed in 34 patients (47%) by histopathology. Forty patients (56%) underwent primary closure of the urinary bladder, while 32 patients (44%) required various kinds of urologic reconstructive procedures. Operative mortality occurred in four patients (6%). The overall postoperative morbidity rate was significantly higher in patients undergoing urologic reconstruction (81% vs. 45%, p = 0.002) when compared to that in patients undergoing primary closure. This was mostly attributable to significantly higher rates of urinary anastomotic leak (21.9% vs. 0%, p = 0.002) and urinary tract infection (50% vs. 18%, p = 0.003) in the urologic reconstruction group. For the 57 patients (79%) who underwent curative resection, the 5-year overall survival rate was 59%, and the local recurrence at 5 years was 15%. Both parameters were not significantly affected by the presence of pathologic bladder invasion or the extent of surgical procedures.
Conclusions
En bloc bladder resection for locally advanced colorectal cancer involving the urinary bladder can produce reasonable long-term local control and patient survival.
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Li, J.C.M., Chong, C.C.N., Ng, S.S.M. et al. En bloc urinary bladder resection for locally advanced colorectal cancer: a 17-year experience. Int J Colorectal Dis 26, 1169–1176 (2011). https://doi.org/10.1007/s00384-011-1210-z
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DOI: https://doi.org/10.1007/s00384-011-1210-z