Annals of surgical oncology · 2006
Loco-regional recurrence from colon cancer: a population-based study.
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Sjövall Annika, Granath Fredrik, Cedermark Björn, Glimelius Bengt, Holm Torbjörn
Аннотация
BACKGROUND: The survival after colon cancer surgery has not improved to the same extent as after rectal cancer treatment and studies on loco-regional recurrence after colon cancer surgery are scarce. The aim of this study was to assess the problem of loco-regional recurrence after potentially curative resections for colon cancer, regarding incidence, risk factors, management, and outcome.
METHODS: All 1,856 patients submitted to potentially curative surgery for colon cancer in the Stockholm/Gotland region in Sweden between 1996 and 2000 were followed until January 2005 or until death. Follow-up data were prospectively collected. Risk factors for loco-regional recurrences were analyzed, treatment and outcome for patients with recurrence was studied.
RESULTS: The cumulative 5-year incidence of loco-regional recurrence was 11.5%. Tumor locations in the right flexure and in the sigmoid colon, bowel perforation and emergent surgery were identified as independent risk factors for loco-regional recurrence. The risk also increased with increasing T- and N-stage. The median survival for all 192 patients with loco-regional recurrence was 9 months. Surgery was performed in 110 (57%) patients. In 23 (12%) patients a complete tumor clearance was achieved and the estimated 5-year survival in this group was 43%.
CONCLUSION: Loco-regional recurrence from colon cancer is a significant clinical problem. A multidisciplinary treatment approach, including preoperative staging, a complete resection of the recurrence and more effective adjuvant treatments may improve the outcome.
METHODS: All 1,856 patients submitted to potentially curative surgery for colon cancer in the Stockholm/Gotland region in Sweden between 1996 and 2000 were followed until January 2005 or until death. Follow-up data were prospectively collected. Risk factors for loco-regional recurrences were analyzed, treatment and outcome for patients with recurrence was studied.
RESULTS: The cumulative 5-year incidence of loco-regional recurrence was 11.5%. Tumor locations in the right flexure and in the sigmoid colon, bowel perforation and emergent surgery were identified as independent risk factors for loco-regional recurrence. The risk also increased with increasing T- and N-stage. The median survival for all 192 patients with loco-regional recurrence was 9 months. Surgery was performed in 110 (57%) patients. In 23 (12%) patients a complete tumor clearance was achieved and the estimated 5-year survival in this group was 43%.
CONCLUSION: Loco-regional recurrence from colon cancer is a significant clinical problem. A multidisciplinary treatment approach, including preoperative staging, a complete resection of the recurrence and more effective adjuvant treatments may improve the outcome.