X線写真の軟調処理法

概要

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In order to obtain materials for diagnosis as correct as possible, the author studied the method of soft graduation : he lowered the contrast of the limited affected part and the other wider part of the film as much as they could diagnosis by the film. Among the developers for soft graduation on the market, Paphydol, Pandol and Minidol, Pandol was proved to be the most suitable for that method of soft graduation. Moreover, the method was applied to radiographing hand joint, ankle joint, lumbal vertebra, the nipple and thoracic and alimentary canal. The conclusion obtained from above studies was as follows : The method of soft graduation does never debase the quality of X-ray photographs, so far as it is used for a certain purpose or some limitted parts. Moreover, the method makes it possible to obtain more correct and more comprehensive materials for diagnosis.
公益社団法人日本放射線技術学会の論文
1964-09-30