Detecting K-ras mutations in stool from fecal occult blood test cards in multiphasic screening for colorectal cancer.

Abstract excerpt

Fecal occult blood testing (FOBT) is proven an efficient way of reducing mortality from colorectal cancer but has a relatively low positive predictive value (PPV). This study evaluated the ability to detect K-ras mutations in stool DNA from FOBT cards and to improve the PPV of the screening process. Two hundred and five consecutive positive FOBT cards and an arbitrary sample of 38 negative cards from a...

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