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Hydronephrosis as a prognostic factor in pelvic recurrence from rectal and colon carcinomas
Stein G Larsen1, Johan N Wiig, Karl-Erik Giercksky
1Department of Surgical Oncology, The Norwegian Radium Hospital, N-0310 Oslo, Norway.
Background:
After multimodal treatment estimated 5-year survival of locally recurrent rectal cancer is about 25%. Hydronephrosis secondary to pelvic recurrence of colorectal cancer is a condition claimed to represent a contraindication to surgery due to a dismal prognosis.
Methods:
Prospective registration of 193 consecutive patients operated for pelvic recurrence in rectal or colon cancer from January 1991 until March 2002 at a tertiary referral hospital, 121 men and 72 women, median age 67 years, all given irradiation preoperatively. Twenty-three of 193 had hydronephrosis prior to preoperative irradiation for recurrent disease.
Results:
R-0 stage resection was obtained in 22% of patients with hydronephrosis and in 41% without. The median survival times in patients without metastasis were 27 and 32 months, respectively, and 5-year survival rates were 11% and 25%.
Conclusions:
An aggressive surgical approach offers patients with pelvic recurrence from rectal and colon cancer the best potential for survival. The presence of hydronephrosis probably indicates a lower chance for complete surgical resection of the recurrence, but local control and improved survival may still be achieved, and about two thirds of patients may benefit from the operation.