منابع مشابه
Influence of diet on occult blood tests.
There is a dearth of experiment on the human subject. Test-tube experiments on foodstuffs are helpful, but are not sufficient to allow of dogmatic statements about their dietary influences. To advise an unrestricted diet and give significance only to strongly positive reactions is an approach with a superficial appeal (Ratnoff, 1923; Alvarez and Wight, 192); Levin and Watt, 1949; Needham and Si...
متن کاملImmunochemical fecal occult blood tests for colorectal cancer screening.
BACKGROUND The superiority of several immunochemical fecal occult blood tests (I-FOBT) over guaiac-based tests in colorectal cancer screening is now established. The aim of this study was to compare the analytical performance of 3 quantitative I-FOBTs. METHODS Stool samples from 10 healthy volunteers, initially I-FOBT negative, supplemented with human blood, were used to compare reproducibili...
متن کاملAssessment of Routine Tests for Occult Blood in Faeces.
Routine chemical methods for the detection of occult blood in faeces depend on the peroxidase-like activity of haemoglobin and its iron-containing degradation products. The clinical value of these tests was first demonstrated by Boas (1901), using a method based on the guaiacum. test for blood described by van Deen (1861). Adler and Adler (1904) claimed that the colour reaction given by benzidi...
متن کاملTests for occult blood in stools of children
Ford-Jones, A. E. A., and Cogswell, J. J. (1975). Archives of Disease in Childhood, 50, 238. Tests for occult blood in stools of children. Three tests for the presence of occult blood in the stools of children were examined; the orthotolidine test, the guaiacum resin test, and a modified reduced phenolphthalein test. The stools of 71 neonates, 33 normal children, and 8 children with suspected g...
متن کاملInfluence of Iron Preparations on Occult Blood Tests.
Ferrous fumarate (Fersamal) and ferrous carbonate (Ferrodic) may produce false-positive results with the orthotolidine tablet tests (Occultest and Hematest) if administered to patients being investigated for alimentary bleeding. Misleading results are also likely if the benzidine test is employed as a filter-paper procedure. Ferrous sulphate, gluconate, succinate, iron and ammonium citrate, and...
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ژورنال
عنوان ژورنال: BMJ
سال: 1963
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.1.5338.1162