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CT Scan Radiation Risks

February 25, 2012 | Comments: 0 | Views: 231

Full body scan imaging techniques such as CT (Computed Tomography) Scan and CAT (Computed Axial Tomography) Scan have been controversial in recent years, due to the radiation it supplies during body scanning. In a recent study regarding radiation in CT Scans, majority of hospital patients are not informed about the hazards of radiation during full body scans. Only 8% are aware of the probable risks and benefits heading into the body scanner, while 4% of those were informed about a potential increase in cancer risk due to radiation exposure.

Surprisingly, 48% of radiologists recognize the patients' risk of cancer associated with it, as majority of these experts would recommend a less harmful imaging technique by using MRI, or Magnetic Resonance Imaging. MRI examinations use magnetic and radio wave frequency signals to detect and visualize the internal structure of the human body, and does not emit any radiation at all.

Now, you might be wondering why medical facilities are still using CT Scan, when MRI has been proven to be safer, and perhaps even more efficient. Consider this: without radiation risks, MRI machines are safer, especially in the long run for patients who needs reevaluation, and even more accurate in terms of capturing images. And best of all, MRI's are consensually superior to it when detecting specific details in most of the internal organs.

Using this for a full body scan produces an alarming statistic in terms of health risk. For each diagnostic full body scan, the radiation from CT Scan can cause a 0.8% increase of accumulated risk of developing cancer. With a small amount of rate a person can induce cancer risks from CT Scan radiation, it will be the physician's discretion, based on historical data of the patient and how necessary it is for them to undergo a full body scan, to decide on how to outweigh the benefit over the risk before going through with it.

The argument on using MRI as a permanent solution to full body scanning over CT Scan is still being considered, since there are various patients who could attest in negative reactions from CT Scanning (such as allergic reactions and generation of new malignancies), but studies on whether hospital should permanently dispatch CT Scanning in favor of MRI's are still inconclusive. Though MRI evaluations prove to be far better than it in terms of the majority of the internal structure like ligaments and soft tissues, it is still way ahead of MRI when it comes to evaluating lung disease, cardiac infections, and the majority of chest and abdominal trauma, which is where most important organs are situated. If preventive measures are not taken into action right away in these areas, it can prove to be fatal or too late to diagnose for a probable remedy.

In other words, your body may function properly thanks to MRI examinations that can help fix your hands, feet, elbows and knees. But thanks to CT Scanning, you may allegedly lose 1 year due to radiation, but prolong 10 additional years of your life due to preventive scanning for your heart, lungs and other organs.

Unless all MRI machines can outperform CT Scans in scanning all aspects of the human anatomy, it won't be going anywhere.

Source: EzineArticles
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