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  • Title: Colonoscopic surveillance after curative resection for colorectal cancer.
    Author: Patchett SE, Mulcahy HE, O'Donoghue DP.
    Journal: Br J Surg; 1993 Oct; 80(10):1330-2. PubMed ID: 8242315.
    Abstract:
    Colonoscopic surveillance after resection for colorectal cancer has been advocated to improve detection of anastomotic recurrence, and of synchronous and metachronous tumours. The benefit provided by colonoscopy remains unproven, and the best timing of examination is unclear. To determine the value of colonoscopy after curative resection for large bowel cancer, the efficacy of an endoscopic surveillance programme in the early detection of intraluminal bowel recurrence in a series of patients admitted with colorectal cancer was examined. Between April 1983 and December 1988, 132 patients underwent colonoscopy. Eight (6.1 per cent) were found to have intraluminal recurrence without evidence of extraluminal spread. Six of these recurrences were at the site of anastomosis and two represented metachronous tumour development. All of these patients were symptomatic at the time of diagnosis. In 15 patients (11.4 per cent), adenomatous polyps were discovered during the initial endoscopic examination. These results indicate that colonoscopic surveillance will rarely allow early detection of asymptomatic intraluminal bowel recurrence, but is valuable in the detection of synchronous lesions. Frequent surveillance is not justified in the early postoperative years and colonoscopy should probably be confined to a single procedure to exclude synchronous lesions.
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