Antoine Thicoïpé1, David Laharie2, Denis Smith3, Edouard Chabrun2, Anne Rullier4, Florian Poullenot2, Eric Rullier1, Quentin Denost5. 1. CHU of Bordeaux, Colorectal Unit, Department of Surgery, Magellan Hospital, University of Bordeaux, Bordeaux, France. 2. CHU of Bordeaux, Department of Gastroenterology, Magellan Hospital, University of Bordeaux, Bordeaux, France. 3. CHU of Bordeaux, Department of Oncology, Magellan Hospital, University of Bordeaux, Bordeaux, France. 4. CHU of Bordeaux, Department of Pathology, Pellegrin Hospital, University of Bordeaux, Bordeaux, France. 5. CHU of Bordeaux, Colorectal Unit, Department of Surgery, Magellan Hospital, University of Bordeaux, Bordeaux, France. quentin.denost@chu-bordeaux.fr.
Abstract
AIM: Inflammatory bowel diseases (IBD) are associated with an increased risk for colorectal cancer (CRC). However and despite significant advances in the management of IBD and CRC, the prognosis of IBD-related CRC (IBD-CRC) remains controversial. The aim of the present case-control study was to compare the prognosis of IBD-CRC to sporadic CRC. METHODS: Consecutive patients operated for IBD-CRC from 2004 to 2014 were recruited and matched with sporadic CRC (ratio 3:1) from the same center. Matching was performed on gender, tumor stage, and location and period of surgery. Endpoints were postoperative morbidity (Dindo-Clavien III-V), quality of surgery, and long-term oncological outcomes. RESULTS: Among 1498 CRC patients operated during the study period, 21 patients were identified with IBD-CRC and matched to 63 patients with sporadic CRC (S-CRC). Patients with IBD-CRC were significantly younger (p < 0.001), had multifocal lesions more frequently (p = 0.04), and undergone abdominoperineal excision and coloproctectomy more often (p = 0.001). Postoperative morbidity was not significantly different between the two groups (25 vs. 14%; p = 0.309), as well as the rate of R0 resection (86 vs. 95%; p = 0.162). Five-year disease-free and overall survival were 71 and 81% in patients with IBD-CRC and 69% (p = 0.801) and 78% (p = 0.845) in those with S-CRC, respectively. CONCLUSION: In a case-control study of patients operated for CRC within the last decade, the prognosis of cancer associated with IBD is similar to sporadic cancer.
AIM: Inflammatory bowel diseases (IBD) are associated with an increased risk for colorectal cancer (CRC). However and despite significant advances in the management of IBD and CRC, the prognosis of IBD-related CRC (IBD-CRC) remains controversial. The aim of the present case-control study was to compare the prognosis of IBD-CRC to sporadic CRC. METHODS: Consecutive patients operated for IBD-CRC from 2004 to 2014 were recruited and matched with sporadic CRC (ratio 3:1) from the same center. Matching was performed on gender, tumor stage, and location and period of surgery. Endpoints were postoperative morbidity (Dindo-Clavien III-V), quality of surgery, and long-term oncological outcomes. RESULTS: Among 1498 CRC patients operated during the study period, 21 patients were identified with IBD-CRC and matched to 63 patients with sporadic CRC (S-CRC). Patients with IBD-CRC were significantly younger (p < 0.001), had multifocal lesions more frequently (p = 0.04), and undergone abdominoperineal excision and coloproctectomy more often (p = 0.001). Postoperative morbidity was not significantly different between the two groups (25 vs. 14%; p = 0.309), as well as the rate of R0 resection (86 vs. 95%; p = 0.162). Five-year disease-free and overall survival were 71 and 81% in patients with IBD-CRC and 69% (p = 0.801) and 78% (p = 0.845) in those with S-CRC, respectively. CONCLUSION: In a case-control study of patients operated for CRC within the last decade, the prognosis of cancer associated with IBD is similar to sporadic cancer.
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