1981•American Journal of RoentgenologyRequires access

Patient dose and image quality in computed tomography

Martin Trefler, VM Haughton

Abstract

The relation between radiation dose in neurologic computed tomography scanning and image quality is described. Three different sets of images were obtained at varying exposures and were quantitatively evaluated by a panel of neuroradiologists. Anatomic information in the image varied with exposure. The relation of image quality and dose conforms to previous theoretical results and suggests that an optimal exposure level can be established.

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Available abstract

Key concepts: Medicine, Image quality, Computed tomography, Radiation dose, Nuclear medicine, Radiation exposure, Tomography, Radiology