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Tests for Fecal Occult Blood.

Authors

Ostrow JD.

Editors

In: Walker HK, Hall WD, Hurst JW, editors.

Source

Clinical Methods: The History, Physical, and Laboratory Examinations. 3rd edition. Boston: Butterworths; 1990. Chapter 98.

Excerpt

Tests for fecal occult blood detect blood in the stool that is not visible on gross inspection, usually less than 50 mg of hemoglobin per gram of stool. Normal adults usually show less than 2 to 3 mg/gm. Increased amounts are associated with a variety of benign and malignant gastrointestinal diseases, especially colonic neoplasms, and the tests are most often used in screening patients for such lesions.

Copyright © 1990, Butterworth Publishers, a division of Reed Publishing.

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