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  • Title: Colonoscopy in unexplained lower gastrointestinal bleeding.
    Author: Gane EJ, Lane MR.
    Journal: N Z Med J; 1992 Feb 12; 105(927):31-3. PubMed ID: 1538860.
    Abstract:
    Two hundred and forty patient with unexplained gastrointestinal blood loss underwent colonoscopy. Significant lesions which were thought to be likely causes of bleeding were identified in 98 patients, ie, 41% of total, which included active colitis in 9%, large polyps in 10% and colorectal cancer in 12% of patients. Of the cancers found at colonoscopy, 64% were Dukes A or B. This study confirms the role of colonoscopy in the investigation of unexplained chronic lower gastrointestinal bleeding.
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