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, 23 (3), 472-477

Incidental Adenocarcinoma in Patients Undergoing Surgery for Stricturing Crohn's Disease

Incidental Adenocarcinoma in Patients Undergoing Surgery for Stricturing Crohn's Disease

Ivan Kristo et al. World J Gastroenterol.

Abstract

Aim: To evaluate frequency and clinical course of incidental adenocarcinoma in patients with stricturing Crohn's disease (CD).

Methods: In this study, consecutive patients, who were operated on for stricturing CD between 1997-2012, were included at an academic tertiary referral center. Demographic data and clinical course were obtained by an institutional database and individual chart review. Besides baseline characteristics, intraoperative findings and CD related history were also recorded. Colorectal cancer was classified and staged according to the Union for International Cancer Control (UICC).

Results: During the study period 484 patients underwent resections due to stricturing CD. Incidental adenocarcinoma was histologically confirmed in 6 (1.2%) patients (4 males, 2 females). Patients diagnosed with colorectal cancer had a median age of 43 (27-66) years and a median history of CD of 16 (7-36) years. Malignant lesions were found in the rectum (n = 4, 66.7%), descending colon (n = 1, 16.7%) and ileocolon (n = 1, 16.7%). According to the UICC classification two patients were stages as I (33.3%), whereas the other patients were classified as stage IIA (16.7%), stage IIIB (16.7%), stage IIIC (16.7%) and stage IV (16.7%), respectively. After a median follow-up of 2 (0.03-8) years only 1 patient is still alive.

Conclusion: The frequency of incidental colorectal cancer in patients, who undergo surgery for stenotic CD, is low but associated with poor prognosis. However, surgeons need to be aware about the possibility of malignancy in stricturing CD, especially if localized in the rectum.

Keywords: Cancer; Colorectal; Crohn's disease; Gastrointestinal; Incidental; Stenosis.

Conflict of interest statement

Conflict-of-interest statement: The authors declare no conflicts of interest.

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