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It is put in through the rectum and moved up into the colon. This preparation is usually started 1 or 2 days before the colonoscopy. types of growth factors that promote growth and division of blood-producing cells in the bone marrow. Extra amounts may be given to reduce or prevent certain side effects of chemotherapy that may be caused by not having enough blood cells.The colonoscope is connected to a video camera and monitor screen so the doctor can look closely at the inside of the entire colon. They may also be given before harvesting stem cells from a donor for peripheral blood stem cell transplant.This allows cancer to be found earlier, when it is most curable.Some types of screening allow doctors to find and remove polyps, which can even prevent cancer from developing.a general term for inflammation of the large intestine (colon).Colitis can be intermittent (it comes and goes) or chronic (long-lasting, as in ulcerative colitis). surgery for rectal cancer in which the rectum is removed and the colon is attached to the anus.A colostomy is sometimes needed after surgery for cancer of the rectum.People with colon cancer sometimes have a temporary colostomy but they rarely need a permanent one. use of multiple ways to affect the body’s hormones.
The cecum and the rectum mark the beginning and end of the colon, though they are not actually part of it. several layers of muscle and mucous membrane make up the colon wall.
See also hematopoietic stem cell transplant, myeloablative treatment, reduced-intensity conditioning.
a technique for giving radiation therapy that uses proton beams rather than standard radiation.
It may be used to help find cancers in the prostate, since tumors often have more blood flow than normal tissue.
See also prostate, transrectal ultrasound, ultrasound. testing done to find abnormalities early, before signs and symptoms start.
See also percent-free PSA, prostate-specific antigen. These images are combined by a computer to make cross-sectional pictures of internal organs.