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Radiology, Vol 123, 236-237, Copyright © 1977 by Radiological Society of North America

ARTICLES

Tomogram degradation due to eye shielding and collimation

JF Sackett and W Kalender

Phantom-image, line-pair resolution and anterior eye exposure have been measured to determine the optimum collimation and eye shielding for petrous temporal tomography. Small round collimation and 0.5-1.0-mm lead equivalent eye shields are recommended. This reduces eye exposure to 10% of the usual dose without changing line-pair resolution.




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Copyright © 1977 by the Radiological Society of North America.