Abstract
Concerning ionizing radiation, medical workers are the largest group of exposed workers worldwide. The handling of high-energy beta emitters and the CT fluoroscopy are among the highest exposure scenarios for medical staff. With the growing use of nuclear medicine therapies and interventional procedures using real-time image control by means of fluoroscopy combined with a computed tomography (CT), detailed research concerning the radiation protection for the personnel working in these fields becomes more and more important. In this work we focus on CT fluoroscopy. To investigate exposures in detail two feasibility studies using hand phantoms are presented. The codes MCNPX and GMctdospp are employed. A comparison with thermoluminescence detector measurements is given.
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