Doctor insights on:
Can A Ct Scan Detect Colon Cancer
No: A CAT scan is used to visually define the extent of metastatic colon cancer in the liver should metastasis be present. Liver failure is a condition measured by functional abnormalities that occur within the liver usually due to parenchymal damage such as inflammation from hepatitis . Here one measures serum enzymes and the presence of elevated alkaline phosphatase and bilirubin in serum. ...Read moreSee 1 more doctor answer
Computed tomography is also known as CT scan. 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 Findings: Ct scan is not the best study to detect colon cancer or ulcers. Although a ct scan may show a large sized colon cancer, the sensitivity of this is greatly reduced without the administration of oral contrast. Ulcers are typically not seen on ct scan. The best diagnostic study for both of these would be an endoscopy and colonoscopy. ...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
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
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
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.
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.
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
Final few yards of your intestine, between the terminal ileum (small bowell) and rectum. It squeezes water and solidifies waste to stool. It is subject to outpouching (divertics) polyps, and these can become cancers. The cells are abnormal, invade into the muscle and travel ...Read more
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