R J L F Loffeld1. 1. Department of Internal Medicine/Gastroenterology, Zaans Medisch Centrum, PO BOX 210, 1500 EE, Zaandam, The Netherlands. loffeld.r@zaansmc.nl.
Abstract
OBJECTIVE: Follow-up surgery for colorectal cancer is recommended. The yield of endoscopy is unknown and was therefore studied. METHODS: Patients with colorectal cancer in the years 2003, 2004 and 2005 were included. Evaluation was done in July 2014. RESULTS: Cancer was diagnosed in 267 patients. These were divided into three groups: group 1-still alive (n = 88), group 2-died within 1 year after diagnosis (n = 67), and group 3-died more than 1 year after diagnosis (n = 112). Patients in group 3 showed a trend towards non-cancer-related death (p = 0.06). Endoscopic follow-up was done in 101 patients (37.6 %). Patients still alive underwent more often follow-up colonoscopy (p < 0.001). Patients still alive had more often synchronous polyps detected during index endoscopy compared with patients of groups 2 and 3 (p = 0.03). Follow-up revealed more often new polyp(s) (p = 0.006). If no polyps were seen during the time of diagnosing cancer, follow-up endoscopy detected polyp(s) in 26 % of cases. Two newly developed cancers in group 1 and three in group 3 were diagnosed. CONCLUSION: Endoscopic follow-up after curative surgery for colorectal cancer has a high diagnostic yield. Whether detection and removal of polyps increases survival is not yet clear.
OBJECTIVE: Follow-up surgery for colorectal cancer is recommended. The yield of endoscopy is unknown and was therefore studied. METHODS:Patients with colorectal cancer in the years 2003, 2004 and 2005 were included. Evaluation was done in July 2014. RESULTS:Cancer was diagnosed in 267 patients. These were divided into three groups: group 1-still alive (n = 88), group 2-died within 1 year after diagnosis (n = 67), and group 3-died more than 1 year after diagnosis (n = 112). Patients in group 3 showed a trend towards non-cancer-related death (p = 0.06). Endoscopic follow-up was done in 101 patients (37.6 %). Patients still alive underwent more often follow-up colonoscopy (p < 0.001). Patients still alive had more often synchronous polyps detected during index endoscopy compared with patients of groups 2 and 3 (p = 0.03). Follow-up revealed more often new polyp(s) (p = 0.006). If no polyps were seen during the time of diagnosing cancer, follow-up endoscopy detected polyp(s) in 26 % of cases. Two newly developed cancers in group 1 and three in group 3 were diagnosed. CONCLUSION: Endoscopic follow-up after curative surgery for colorectal cancer has a high diagnostic yield. Whether detection and removal of polyps increases survival is not yet clear.
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