“They don’t have to get a CT scan at every follow-up visit.”. BackgroundMany different types of tests are used to help diagnose cancer, determine the cancer’s stage, monitor how well treatment is working, and watch for a cancer recurrence (return of the cancer). Undergoing follow-up testing for cancer recurrence more than once a year may not benefit people who have been treated for colorectal cancer, results from two new studies show. The 5-year overall survival rate was about 74% for participants tested at both high- and low-intensity facilities. In practice, many doctors do CT scans of the body and pelvis every few months; others do nuclear medicine tests such as PET scans or bone scans. The first group I had did the scans every 6 months for the first three years. However, current medical guidelines differ on the recommended surveillance tests and how often they should be performed. Polite, is that tumor biology trumps surveillance intensity. You may not post any unlawful, threatening, libelous, defamatory, obscene, pornographic or other material that would violate the law. By submitting your comment, you hereby give CNN the right, but not the obligation, to post, air, edit, exhibit, telecast, cablecast, webcast, re-use, publish, reproduce, use, license, print, distribute or otherwise use your comment(s) and accompanying personal identifying and other information you provide via all forms of media now known or hereafter devised, worldwide, in perpetuity. To try to detect recurrences as early as possible, people who have finished colorectal cancer treatment regularly return to their doctors for imaging tests (like CT or MRI scans) and a blood test to detect CEA, a substance that can indicate if cancer is growing. The longer you have been free of cancer, the less often the appointments are needed. Continued Some organs are more sensitive to radiation than others. That aspect of follow-up shouldn’t change, said Dr. CNN Privacy Statement.The information contained on this page does not and is not intended to convey medical advice. I think it mostly depends on the stage of the cancer. It sounds like you have an orthodox oncologist who follows the rules and does not over-image. I have decided to go to the Mayo Clinic for an assessment and second opinion and my appointments are in two weeks. For people who are diagnosed with colorectal cancer that has not spread to distant locations in the body, surgery can cure most patients. Previous question:Have I drunk enough to cause liver cirrhosis?« Back to Conditions. What the results from these two studies reveal, said Dr. Many patients also demand them. Abdominal and pelvic CT scans raise the risk for cancer more than brain scans, and the risk is far greater in younger patients, especially children. To make CT scans safer, providers use X-ray shields to protect sensitive areas and adjust doses to minimize the risk for younger patients. I should also mention that unless contraindicated, we treat the patient with bone-only breast cancer with a bisphosphonate to harden the bones. Based on the findings of these and other studies, “there is now a considerable body of evidence that imaging and CEA testing more often than every year does little to improve survival in a meaningful way,” wrote Hanna Sanoff, M.D., of the University of North Carolina at Chapel Hill, in an editorial on the two studies. … CNN is not responsible for any actions or inaction on your part based on the information that is presented here. March 31, 2009 -- As many as 7% of patients treated at a large U.S. hospital received enough radiation exposure from repeated CT scans to increase their cancer risk, according to a new … Now I am using USC, and they want scans every 4 months and the scope once a year, for the first three years. Dr. Chang’s study compared the outcomes of patients who got tested at a high- or low-intensity facility, rather than comparing the outcomes of patients who received high-intensity or low-intensity testing, Dr. Sanoff noted. There is … Government panel: Hormone therapy 'not recommended'. Why CT scans are worse than X-rays. He was scheduled to have numerous additional chemo treatments, but he was confused and reluctant to do so – because, aside from some side effects after the chemo treatments, he felt perfectly fine...no symptoms at all. Whenever I go to see doctors other than my oncologist, they want to know about when and how often additional testing and/or scans are performed. Many patients also demand them. Rather than simply capture a two-dimensional plot of a person’s insides, a CT scan … The radiation helps create an image of structures inside your body. Biosimilars for Cancer Emerge as Patents on Widely Used Biological Drugs Expire, Approval Expanded for Venetoclax in Chronic Lymphocytic Leukemia, If you would like to reproduce some or all of this content, see Reuse of NCI Information for guidance about copyright and permissions. I had a CT scan with contrast two days ago at my “home” hospital. The American Society of Radiology holds that individuals can receive a cumulative maximum dose of 100 mSv for normal diagnostic imaging scans … CT scans provide more-detailed images of more types of tissue than traditional X-rays do, which allows your doctor to detect and locate many medical conditions.. CT scans … I finished chemo last April and have had two CT scans plus one scheduled for late March. They also can be used following a CT scan to determine whether a suspicious-looking area is scar tissue or active cancer. Conditions Expert Physicians will often perform a follow-up PET scan on people undergoing treatment for cancer. CNN Comment Policy: CNN encourages you to add a comment to this discussion. Individuals who have had multiple CT scans before the age of 15 were found to have an increased risk of developing leukemia, brain tumors , and other cancers in the decade following their first scan. He will then we believe go on to yearly PET scans … CEA every 3 months for the first year, then every 6 months … I use pamidronate (trade name Aredia) or zoledronic acid (trade name Zometa). was originally published by the National Cancer Institute.”, November 10, 2020, Polite. ( 6 ) Other studies have calculated that the risk of a single CT scan causing cancer … Physicians tend to "over-image" with costly radiologic and nuclear medicine tests. “I think we will end up risk-adapting guidelines as we learn more,” he said. The other study was a retrospective cohort study, funded partly by NCI, of more than 8,500 people who had been treated for colorectal cancer in the United States and who were registered in the National Cancer Database—a collection of clinical oncology data gathered from multiple hospitals. This difference seemed to be attributable to patients … The findings were similar when the investigators stratified participants by cancer stage. Guidelines vary in their advice to doctors about how often patients should get these imaging tests. Polite added. by NCI Staff, Complementary & Alternative Medicine (CAM), Coping with Your Feelings During Advanced Cancer, Emotional Support for Young People with Cancer, Young People Facing End-of-Life Care Decisions, Late Effects of Childhood Cancer Treatment, Tech Transfer & Small Business Partnerships, Frederick National Laboratory for Cancer Research, Milestones in Cancer Research and Discovery, Step 1: Application Development & Submission, Researchers Testing “Packaged” CAR T Cells for Retinoblastoma, Study Confirms HPV Vaccine Prevents Cervical Cancer, NCI Priorities in Reducing Global Cancer Burden, U.S. Department of Health and Human Services. You might also have CT scans at: 1 year; 3 years 5 years; then every 2 years onwards; Higher risk of cancer coming back. Studies every three months can be quite expensive and expose the patient to a hefty dose of radiation. Cancer recurrence was not detected earlier in patients who were tested at high-intensity facilities, regardless of cancer stage, Dr. Chang and his colleagues found. The report found that CT scans are often overused and conducted at higher … In one study, more than 2,500 people from several European countries who had had surgery to treat colorectal cancer were randomly assigned to receive either high- or low-intensity surveillance testing. For example, she noted, the COLOFUL trial investigators modified the design of their study to increase enrollment and aid trial completion. But cancer care guidelines generally do not recommend a PET scan be used as a first-line test for determining if the cancer … In the case of permitted digital reproduction, please credit the National Cancer Institute as the source and link to the original NCI product using the original product's title; e.g., “Do Frequent Follow-Up Tests Benefit Colorectal Cancer Survivors? All comments should be relevant to the topic and remain respectful of other authors and commenters. “Multiple factors, such as the aggressiveness of surgical resection at an individual facility, might influence these outcomes other than surveillance frequency,” she wrote. If your risk of the cancer coming back is higher, you might have a CT scan at: 6 months; 1 year; 2 years; 3 years; 5 years; every 2 years onwards; The risk of the cancer … In an attempt to quantify cancer risks from CT scans, the National Research Council in 2006 calculated that every 10 mSv of radiation exposure increases the lifetime risk of cancer by 0.1 percent. At high-intensity surveillance facilities, patients received an average of 2.9 imaging tests and 4.3 CEA tests in 3 years. Overall survival was also unaffected by the intensity of surveillance. American Cancer Society. Is the inability of cancer patients to eat a concern? A chest X-ray and X-ray of the area of metastasis (spread to bone) would also be useful. Polite. This may lead to more tests and procedures, including follow-up scans, and even biopsies and surgery. Can a nerve stimulator stop my back pain? You may not post any unlawful, threatening, defamatory, obscene, pornographic or other material that would violate the law. A friend who finished chemo in October for same Ovarian and same stage III, has not had any CT scans … This may decrease risk of broken bones and may also fight the cancer by making it more difficult for the cancer to implant in bone and grow. But results from both studies, published May 22 in JAMA, showed that more frequent tests did not change the rate of detection of recurrence or death due to cancer. by NCI Staff, October 14, 2020, Have I drunk enough to cause liver cirrhosis? Play it safe by asking the following questions next time a doctor prescribes a CT scan … There is no recommended limit on how many computed tomography (CT) scans you can have. Based on their findings, Dr. Chang and his colleagues agreed with the surveillance recommendations of the National Institute for Health and Care Excellence in the United Kingdom: In the first 3 years following initial surgery, people who have been treated for colorectal cancer should receive CEA testing every 6 months in addition to two CT scans. That will put him in year 3. After cancer treatment is complete, the healthcare provider may want the patient to undergo periodic PET scans to determine if the cancer … A slow-growing colorectal cancer “probably isn’t going to change all that much between year 2 and year 3. “The message for survivors is one of reassurance,” Dr. Chang said. Your question actually speaks directly to one of the controversies in medicine today regarding medical costs in the United States. Voiceover: A CT scan helps your doctor make a diagnosis, decide about what treatment you need or find out if your treatment is working. A test to detect CEA in the blood can be used to tell if colorectal cancer may have returned. Seven or eight years is not unusual. Doctors often order PET scans to stage a cancer or to assess whether treatment is working. Although these new studies are important, they do have limitations, Dr. Sanoff pointed out. I have metastatic breast cancer, so far in bones only. On average, patients who were initially treated for advanced stage colorectal cancer received more tests. Based on their findings, Dr. Chang and his colleagues agreed with the surveillance recommendations of the National Institute for Health and Care Excellence in the United Kingdom: In the first 3 years following initial surgery, people who have been treated for colorectal cancer should receive CEA testing every 6 months in addition to two CT scans.Although some patients may prefer more frequent surveillance for peace of mind, the tests are not without harms, Dr. Chang pointed out. This type of scan takes a series of x-rays and uses a computer to put them together. “We noticed that there was tremendous variation in the number of [follow-up] tests patients received” and that the facility where patients received their follow-up strongly influenced the number of tests, explained the lead investigator, George J. Chang, M.D., of the University of Texas MD Anderson Cancer Center. Nor did they find a significant difference in rates of treatment for cancer recurrence between patients who were tested at high- and low-intensity facilities. These tests include chest CT scan or X-ray. Like other X-ray imaging exams, CT scans expose you briefly to a small, targeted amount of ionizing radiation. Different types of scans are often used at different points in a person’s cancer … This will mean that I will have 2 CT scans … What makes CT scans more of a threat than even X-rays has to do with the way they deliver radiation. You are solely responsible for your own comments, the consequences of posting those comments, and the consequences of any reliance by you on the comments of others. After 5 years, the rate of detected cancer recurrence was unchanged between the high-intensity group and the low-intensity group. Before your next CT scan. Gerry consulted with us after 6 months on chemotherapy for stage 3 lung cancer that had been diagnosed based on a CT scan.. These PET scans allow the doctor to determine how well the patient's cancer is responding to treatment. Chief Medical Officer, After a median follow-up period of 79 months, patients followed with chest CT scan had a significantly longer overall median and 5-year survival (P = .0009) than those followed by physical examination and CXR (hazard ratio,1.279; 95% CI, 1.086-1.507). But cancer … Asked by Claire Myers, Rockledge, Florida. Imaging tests (or scans) are ways to create pictures of the organs and tissues inside the body. There is no evidence that these tests and early detection of tumor growth benefit the patients, but many doctors do them anyway. Today I found out that the Mayo Clinic wants to do a CT scan and an MRI of my brain. Overall, your odds are very low -- the chance of getting a fatal cancer from any one CT scan is about 1 in 2,000. And colorectal cancer that spreads quickly between yearly surveillance tests is not likely to respond to available treatments anyway, he explained. This encompasses monitoring people who have undergone cancer treatment for toxicities from their treatment, counseling them about leading a healthy lifestyle, and providing them with appropriate resources for psychosocial support and management of financial toxicity when needed. However, CT scans also expose patients to 100 to 500 times more radiation than other types of x-ray imaging. But in some patients, the cancer will return, usually within 3 years after surgery. by NCI Staff, September 24, 2020, If you do CT scans too many times, it may cause harm to the body and even lead to cancer. 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