脳血管撮影に対する片面増感紙・両面乳剤フィルムシステムの適用

概要

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In the A-P radiograph of cerebral angiography, the incident angles of the X-ray beam to image receptor are from 20 to 40 degrees. Therefore, a lock of sharpness caused by the parallax effect is disadvantageous for the double-screen/double-emulsion film system (Double system). We have combined double-emulsion film with ultra high-speed rare-earth single-screen for the purpose reducing the parallax effect and measured its basic imaging properties, and studied the clinical applications. As a result, the ultra high-speed rare-earth single-screen/double-emulsion film system (Single screen system) was found to be better than the double system regarding sensitivity and MTF, and also good results were obtained in the clinical examinations.
公益社団法人日本放射線技術学会の論文
1987-01-01