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A colonoscopy is a diagnostic examination that allows a doctor to look inside the entire colon and rectum. It is used to determine the cause of colorectal problems. It is also used as a routine screening test for colorectal cancer in people who have...
The fecal occult blood test (FOBT) is a diagnostic examination used to detect blood in the feces (stool). Blood in the stool may be a sign of colorectal cancer or other problems such as polyps (growths that develop on the inner wall of the colon and...
A computed tomography (CT) scan, also called a CAT scan, is a diagnostic exam used to detect tumors, determine the stage of the disease and whether cancerous cells have spread, and find out about the effectiveness of cancer treatment. CT scans are...
A positron emission tomography (PET) scan is a diagnostic examination used to detect cancer, determine the stage of cancer, and evaluate the effectiveness of cancer treatments, such as chemotherapy or radiation therapy.
In a PET scan, radioactive...
An endometrial biopsy is a way for your doctor to take a small sample of the lining of the uterus (endometrium). The sample is looked at under a microscope for abnormal cells. An endometrial biopsy helps your doctor find any problems in the...
