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Would Colorectal Cancer Show Up In Pelvic Ct Scan
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
I am required to have a pelvic CT scan once a year as follow-up to colorectal cancer treatment. Are double scans without and one with contrast needed?
Follow-up: It is impossible to make a specific recommendation without knowing what test was performed and it's specific finding. Nevertheless, I am 100% certain that the physician that ordered/performed the screening test has a follow-up plan designed for you. In general, if an abnormality is found by x-ray or occult blood testing, a formal colonoscopy is recommended. ...Read moreSee 1 more doctor answer
Colonoscopy, imaging: And biopsy. A lesion may be detected on colonscopy or barium enema or the more recent ct scans. The lesion is biopsied and the tissue examined by a pathologist to make the diagnosis. Colon cancer may be suspected if there is blood in stool, either obvious or occult. ...Read moreSee 1 more doctor answer
diagnose metastasis: Pet scanning is used for staging of a variety of cancers. Lesions seen on plain scans can be shown to be biologically active of pet scan this then suggests metastatic tumor and stages the disease. If a lesion on plain scan does not "light up" on pet scan, it is assumed to be benign. ...Read moreSee 1 more doctor answer
Surgical oncologist: Go to a surgeon who treats a lot of colorectal cancer - a surgical oncologist, colorectal surgeon, or an experienced general surgeon. Surgery is almost always a major part of the treatment process, but he will need tests (colonoscopy if not already done), ct scan, cea. The surgeon is the best expert to be the "captain of the ship". He/she can explain and consult with other oncologists if needed. ...Read moreSee 2 more doctor answers
~1.6 million/year: The national cancer institute estimates that about 1.6 million screening colonoscopies are performed each year in the United States. Colonoscopy is not the only way to screen for colorectal cancer, but collecting these statistics on a national level is much more difficult. The other methods include sigmoidoscopy, fecal occult blood testing, and ct-based screening tests. ...Read moreSee 1 more doctor answer
History: Get personal and family history of colon cancer. Ask if history of colitis, familial polyposis, ibs, lunch syndrome, rectal bleeding, obesity, age over 44yo, rectal mass., un explained anemia needs to be evaluated. Colonoscopy is by far the best way to screen for colon cancer. ...Read moreSee 1 more doctor answer
Can you have colorectal cancer w/o polyps? Can colorectal cancer grow where it cannot be seen by colonoscopy? If yes, How are these diagnosed?
Possible bt unlikely: Dear Brand: Most colon cancers are visible with a colonoscopy either as a polyp or as a mass of some sort. However, there are some that are just not in the colon and only show up somewhere else like the liver. While this is certainly possible it is rare and it is typically found with a CT scan done for some other reason. But this is definitely not common. Hope this helps. All the best, Ariel. ...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
Colorectal cancer is a term to signify invasion accross a layer of the lining of the colon or rectum. A polyp can show abnormal features up to a point and still not be considered an invasive cancer. Once we use the term colon or rectal cancer, the cells are not only atypical, ...Read more
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