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  • Title: [Usefulness of combining a immunological fecal occult blood test (latex method) with a chemical test (guaiac method)].
    Author: Hamajima E, Asai T, Okumura S, Yamaguchi H, Katou T, Yamamoto Y, Kinoshita O.
    Journal: Gan No Rinsho; 1990 Jan; 36(1):71-4. PubMed ID: 2299793.
    Abstract:
    A combination tests, using the latex and guaiac methods, has been carried out in 123 patients with a gastrointestinal disease and in 38 controls. The latex method was positive in 8% of the 38 controls, in 84% of 32 colorectal carcinoma patients, in 42% of 24 colonic polyp patients, in 22% of 9 gastric carcinoma patients, and in 22% of gastric ulcer patients in an active phase of their illness, whereas the guaiac method was positive in 39%, 81%, 58%, 78%, and 89% in the same order, respectively. From the above, a combination of both methods was found useful for the screening of hemorrhage in the gastrointestinal tract.
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