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  • Title: Radiation exposure in paranasal sinus imaging.
    Author: Sillers MJ, Kuhn FA, Vickery CL.
    Journal: Otolaryngol Head Neck Surg; 1995 Feb; 112(2):248-51. PubMed ID: 7838547.
    Abstract:
    Plain films of the paranasal sinus were the imaging technique most frequently used before the advent of computed tomography. With improved resolution, computed tomography imaging has become the standard for evaluating patients with disease of the paranasal sinuses. With the widespread availability of computed tomography scanning, patients are likely to undergo multiple examinations during the treatment of their disease. Concern has been raised over the radiation exposure to the patient, in particular, with regard to radiation-induced cataracts. The purpose of this study is to measure the radiation dose associated with a variety of techniques for imaging the paranasal sinuses. A cadaveric specimen with thermoluminescent dosimeters placed over the orbits was used to measure radiation exposure during plain-film imaging, limited computed tomography, standard axial and coronal computed tomography, thin-cut axial computed tomography, and thin-cut coronal computed tomography. The measured dose in all these techniques is less than 4% of the acute dose associated with cataract formation.
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