• are CT and PET scans harmful? I have had 4 CT scans and 2 PET scans this year

    Asked by Beaner54 on Saturday, November 17, 2012

    are CT and PET scans harmful? I have had 4 CT scans and 2 PET scans this year

    6 Answers from the Community

    6 answers
    • abrub's Avatar

      Yes over years, in that the amounts of radiation are high and cumulative. However, when I was first diagnosed, I lost count of the number of CT scans I had. The benefits must be weighed against the potential risks. Finally, at 5 years of remission, my dr is switching me to MRIs for my general scans, with CTs only if the extra information is needed. Chemo and radiation treatments are harmful, too, but are necessary evils in the fight against our cancers.

      Yes, we are doing things to our bodies that in healthy bodies would be ill-advised. However, we are working against the very sinister evil of cancer, and therefore must take risks to have the benefits.

      almost 6 years ago
    • po18guy's Avatar

      Both have radiation involved, but the older you are, the less risk to future health they pose. I have had 3 PETs and 25+ complete series of head/neck/chest/abdomen/pelvis CTs. Last I calculated, it was something like 300 years of background radiation that I had absorbed. Yet, I had an aggressive lymphoma that had to be monitored frequently. As remission continues, my scans have been dropped form every two months to every four months. But, as abrub said, we are fighting a much bigger battle than mere radiation.

      almost 6 years ago
    • Nonnie917's Avatar

      If those tests involve any kind of injections of radioactive material it causes the chances of further cancer episodes in the future. Radiation injected never leaves your body. Bummer news, but I have gone through several CTs and MRIs so I have to have an internal ultrasound every year during my yearly check ups since now I have a 67% higher rate to end up with ovarian cancer. Depressing news I know, sorry, but better to be knowledgable than to not know at all. Doctor's don't tell us the truth or all of it anyway.

      over 5 years ago
    • myb's Avatar

      I am having a CT scan of the chest and MRI scans of the abdomen and pelvis for monitoring after stage 3 colon cancer all with IV contrast. I accept it as a necessary evil to ensure I stay cancer free over the next 5 yrs.

      over 5 years ago
    • HeidiJo's Avatar

      I think I have had 5 PET scans and 6 or 7 CT scans over the past 3 years. My doctor told me she doesn't want to do to many scans as they can be harmful

      over 5 years ago
    • DrEdjanie's Avatar

      MRI is actually NMR, MRI is used only to make it sound nicer to the ignorant. NMR is Nuclear Magnetic Resonance. It misplaces the Nucleus which gives off radiant energy when it returns to the lower energy state. However, it could end up be the least dangerous out of X-Rays, Ct Scans and PET Scans. PET Scans is a nuclear dissemination and was originally a phenomena that lead to the science of nuclear bombs and nuclear energy. I highly question the use of PET Scans. Actually, greater value to oneself and the world is let nature take its course. One PET Scan is one way too many. It is nonsense and robbery that one would ever be subjected to even one PET Scan. Doctors DO NOT understand the Science of the process, the TECHs do not either. Only a PhD Scientist understands the truth, and the truth is you were lied to.

      about 5 years ago

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