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Utility of preoperative colonoscopy in localization of colorectal cancer (CROSBI ID 607051)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Šantak, Goran ; Glavić, Željko ; Begić, Ljubo ; Šimleša, Damir ; Ćosić, Jurica ; Matković, Kristijan ; Zukanović, Goran Utility of preoperative colonoscopy in localization of colorectal cancer // European Journal Cancer 2013 49(suppl 2)European Cancer Congress 2013 Abstract book. 2013. str. s544-s545

Podaci o odgovornosti

Šantak, Goran ; Glavić, Željko ; Begić, Ljubo ; Šimleša, Damir ; Ćosić, Jurica ; Matković, Kristijan ; Zukanović, Goran

engleski

Utility of preoperative colonoscopy in localization of colorectal cancer

Background: Erroneous localization of colorectal carcinomas puts the patients at risk for inappropriate use of adjuvant therapy, inadequate operative approach, prolonged surgery or missing the lesion. Material and Methods: A retrospective chart review was conducted on a total of 146 patients who had complete endoscopic and CT reports available and had undergone surgery for colon or rectal malignancies between January 2007 and January 2013. The purpose of this study was twofold: (a) to determine the accuracy of colonoscopy and CT scanning in localizing colorectal tumors and (b) to examine the utility of preoperative colonoscopy performed by surgeon. Results: Tumor location was accurately determined via colonoscopy in 80.5% of cases and erroneously in 19.5% of cases. CT scan confirmed colonoscopic localization in 59.6% of cases, and did not detect known tumors in 40.4% of cases. Of the tumors erroneously located by colonoscopy, 2.7% were accurately localized by CT scan. 48.4% of the patients with undetected tumors on CT scans, underwent second (preoperative) colonoscopy, performed by surgeon. The location of the tumor as determined by preoperative colonoscopy differed from the location noted on referral colonoscopy in 14.6% of patients. Tumor localization was determined correctly in all patients with preoperative colonoscopy and the difference in the accuracy of tumor localization between the patients which underwent two colonoscopies and those which did not, was statistically significant. The average size of the tumors not detected by CT was 2.98 cm. Large (>4 cm) tumors were rarely missed. Conclusions: Identifying localization of colorectal tumors by two complementary methods is essential before resection is undertaken. Preoperative colonoscopy, performed by surgeon, would decrease the likelihood of mislocalization of the small lesions detected on the first colonoscopy. No conflict of interest.

preoperative colonoscopy ; colorectal cancer

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Podaci o prilogu

s544-s545.

2013.

objavljeno

Podaci o matičnoj publikaciji

European Journal Cancer 2013 49(suppl 2)European Cancer Congress 2013 Abstract book

Podaci o skupu

European Cancer Congress 2013

poster

27.09.2013-01.10.2013

Amsterdam, Nizozemska

Povezanost rada

Kliničke medicinske znanosti

Poveznice