The Unsolved Problem of Surveillance for Colorectal Cancer in Ulcerative Colitis

The association between long standing extensive ulcerative colitis and the increased risk for developing colorectal cancer suggests that surveillance by frequent and regular colonoscopies may provide a means for reducing cancer-related morbidity and mortality. A crude calculation suggests that such...

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Main Authors: Fabiola Delco, Amnon Sonnenberg
Format: Article
Language:English
Published: Wiley 1999-01-01
Series:Canadian Journal of Gastroenterology
Online Access:http://dx.doi.org/10.1155/1999/169742
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author Fabiola Delco
Amnon Sonnenberg
author_facet Fabiola Delco
Amnon Sonnenberg
author_sort Fabiola Delco
collection DOAJ
description The association between long standing extensive ulcerative colitis and the increased risk for developing colorectal cancer suggests that surveillance by frequent and regular colonoscopies may provide a means for reducing cancer-related morbidity and mortality. A crude calculation suggests that such a surveillance program would also be cost effective. None of several clinical trials, however, has been able to provide unequivocal evidence in favour of surveillance. The major reason for this failure relates to the prohibitively large number of patients with ulcerative colitis who need to be followed over a prolonged time period before statistically sound results would be obtained. Because models of decision analyses themselves have to rely on medical evidence, they cannot provide a substitute for deficient clinical data. The issue of surveillance colonoscopy cannot be resolved by the available knowledge or analytical tools. Hopefully, new techniques of surveillance or even a cure for ulcerative colitis will render the question mute of whether or not to screen patients with ulcerative colitis by frequent colonoscopy.
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spelling doaj-art-c1f9da6d394f4fbdb26eadf0eb6837182025-02-03T05:47:31ZengWileyCanadian Journal of Gastroenterology0835-79001999-01-0113865566010.1155/1999/169742The Unsolved Problem of Surveillance for Colorectal Cancer in Ulcerative ColitisFabiola Delco0Amnon Sonnenberg1Department of Veterans Affairs Medical Center, The University of New Mexico, Albuquerque, New Mexico, USADepartment of Veterans Affairs Medical Center, The University of New Mexico, Albuquerque, New Mexico, USAThe association between long standing extensive ulcerative colitis and the increased risk for developing colorectal cancer suggests that surveillance by frequent and regular colonoscopies may provide a means for reducing cancer-related morbidity and mortality. A crude calculation suggests that such a surveillance program would also be cost effective. None of several clinical trials, however, has been able to provide unequivocal evidence in favour of surveillance. The major reason for this failure relates to the prohibitively large number of patients with ulcerative colitis who need to be followed over a prolonged time period before statistically sound results would be obtained. Because models of decision analyses themselves have to rely on medical evidence, they cannot provide a substitute for deficient clinical data. The issue of surveillance colonoscopy cannot be resolved by the available knowledge or analytical tools. Hopefully, new techniques of surveillance or even a cure for ulcerative colitis will render the question mute of whether or not to screen patients with ulcerative colitis by frequent colonoscopy.http://dx.doi.org/10.1155/1999/169742
spellingShingle Fabiola Delco
Amnon Sonnenberg
The Unsolved Problem of Surveillance for Colorectal Cancer in Ulcerative Colitis
Canadian Journal of Gastroenterology
title The Unsolved Problem of Surveillance for Colorectal Cancer in Ulcerative Colitis
title_full The Unsolved Problem of Surveillance for Colorectal Cancer in Ulcerative Colitis
title_fullStr The Unsolved Problem of Surveillance for Colorectal Cancer in Ulcerative Colitis
title_full_unstemmed The Unsolved Problem of Surveillance for Colorectal Cancer in Ulcerative Colitis
title_short The Unsolved Problem of Surveillance for Colorectal Cancer in Ulcerative Colitis
title_sort unsolved problem of surveillance for colorectal cancer in ulcerative colitis
url http://dx.doi.org/10.1155/1999/169742
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