Several screening tests are available for colorectal cancer, each with its benefits and limitations:
1. Fecal Occult Blood Test (FOBT) and Fecal Immunochemical Test (FIT): These tests check for hidden blood in the stool, which can be an early sign of cancer. 2. Colonoscopy: This is a comprehensive test where a long, flexible tube with a camera is used to examine the entire colon and rectum. It allows for the removal of polyps during the procedure. 3. Sigmoidoscopy: Similar to a colonoscopy, but it only examines the lower part of the colon and rectum. 4. CT Colonography: Also known as virtual colonoscopy, this test uses CT scanning to create images of the colon and rectum. 5. Stool DNA Test: This test checks for specific DNA mutations in stool samples that may indicate the presence of cancer or polyps.
