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Can A Ct Scan Miss Colon Cancer
How reliable is a ab CT scan for colon cancer? Had 3, what percentage of cancers are missed in a CT scan? Trying to find stats.
Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more
Depends: Stage ii colon cancer is early stage, limited to the lining of the colon. If your question refers to the use of sophisticated ct imaging (virtual colonoscopy). The answer is yes as it has been used to pick up polyps. In colon cancer patients, ct is used to look at whether there is measureable disease outside the colon in the lymph nodes and/or liver. ...Read more
?Early detection tes: CT scan is not a good Test for early detection of Colon Cancer, so Colonoscopy is the preferred test because it accomplishes 2 objectives...detect polyps/precursors of colon cancer and remove them at the same time which eliminates the risk of Polyps changing into cancer. If you have difficulty with having Colonoscopy, then you should ask your doctor to suggest some alternative tests for checking. ...Read moreSee 1 more doctor answer
Not Designed for it: Not what a ct scan is designed to do. Usually colon cancer will not be clearly evident on ct until it is at stage iii or stage IV level, since it has to anatomically change the colon to be evident on ct. To get that level of change, it needs to be at minimum a locally advanced tumor. Every once in a while it may be evident at the stage ii point, but very low sensitivity. ...Read moreSee 1 more doctor answer
Sometimes: Ct colography is never meant to replace a colonoscopy. At high volumn centers, the detection sensitivity of ct exam is indeed comparable to colonoscopy but you need to know the rate of detection of your imaging facility. Bowel prep is required for both procedures - no way around the unpleasant process. Beware that there is significant radiation exposure with the exam. ...Read moreSee 2 more doctor answers
My CT scan said my bowel is unremarkable. Could something be wrong with my colon? Like colon cancer? Even if my CT said my bowel is normal.
Can Diveticulosis (not itis) be mistaken for colon cancer on CT scan? Had sigmoidoscopy to 35 CM and 4 CT scans over past three years.
Chance of developing colon cancer 20 months after colonoscopy removal 5mm polyp removed. Having ct scan with and without contrast for left quad pain
See below: If the colonoscopy was done properly, you are very unlikely to have colon cancer 20 months after the procedure. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. ...Read more
Ct uses xrays taken an 360 degrees combined with a computer to see"inside" the body. The table moves as the xray tube and detectors spin around the patient 10 times a second or more! the image shows excellent soft tissue detail, enhanced with injection of intravenous contrast or oral contrast. This way the body is shown in slices, in any plane, usually axially, but ...Read more
Ct scan uses data from a beam of xrays and reconstructs a cross sectional image of your body. It is a high dose of xrays and used only when the benefits outweigh the risk. Cancer risk is 1 in 500 in children. Also using iodinated contrast might cause transient renal failure in about 5% of patients. (contrast induced nepropathy) most do not explain this to the patient as ...Read more
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