CT scans of internal organs, bone ... In general, radiation exposure should be kept as low as reasonably achievable (the ALARA principle) without compromising medical benefits. » Do I need yet another ...

CT scans produce highly detailed X-ray images ... University of Texas MD Anderson Cancer Center in Houston, says a key principle radiologists are taught in medical school is “ALARA,” which ...

Patients undergoing PET/CT scan would add to this radiation exposure ... only occasional contact with patients who have undergone a PET/CT examination. The usual principles of reducing contact time ...