Fecal occult blood tests (FOBT) use chemical indicators on stool samples to detect the presence of blood not otherwise visible. Blood originating from or passing through the gastrointestinal tract can signal many conditions requiring further tests and,...

Fecal occult blood is a term for blood present in the feces that is not visibly apparent. In medicine, a fecal occult blood test is a check for hidden (occult) blood in the stool (feces). Conventional fecal occult blood tests look for heme. Newer,...

New joint consensus guidelines on screening for colorectal cancer recommend against the use of the most common form of the fecal occult blood test and add stool DNA testing and computed tomographic colonography to a list of the recommended screening options. The...

* Objective: To compare rates of detection of occult upper gastrointestinal (GI) tract bleeding by guaiac (Hemoccult II [HO ]), immunochemical (HemeSelect [HS ]), and heme-porphyrin (HemoQuant [HQT ]) fecal occult blood tests. * Patients, Subjects, and Methods: In a cross-sectional study to...

It's the cancer with the yuck factor, that part of the anatomy lots of people would rather ignore. And too many are ignoring it possibly to death: Nearly 42 million Americans over 50 aren't getting checks for colorectal cancer, the nation's No....

   Colon cancer is a disease in which cancerous [malignant] cells form in the tissues of the colon, which is the lower part of our digestive system, commonly referred to as the GI [gastrointestinal] system. This system removes and processes nutrients such as vitamins, minerals,...