In the modern era of medicine practice the use of imaging techniques has played an outstanding role as diagnosing tool, specially X-ray and CT scan techniques. We have reached to new heights of quality in imaging, but at the same time, we have dramatically increased the radiation dose to the patients. This is unnecessary and need to take charge and demonstrate that radiology expertise is essential to safe imaging. As data obtained from US FDA about half of the scans are done unnecessary. It has been a hot topic of debate during last decade, due to its deleterious effects observed in pediatric and pregnant patients. This fact has to be taken into account while using ionising radiation sources in diagnosis. It was found that excessive exposure to such radiation cause childhood cancer, and greatly discussed in media and scientific committees all over the world. This article presents current rules and governing bodies of various countries and organizations working on reducing the unanticipated effects of imaging techniques.
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