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SummaryThe computed radiography ( CR ) system with an imaging plate has been widely used in diagnostic radiography ． Recently ， imaging plate detectors are also belng used ill other fie ］ ds as a two − dimensional detector for radiasions 、 This study could show 1magies of scattered X − ra ｝ ・ s from the object or patients in diagnostic radiography ， using a pinhole camera and a CR system ． Utilizing the high sensitivity and wibe dynamic range characteristics of the CR system made it possible t〔 ｝ obtain image scattered X − rays ．The results of this study indicated that 1)scattered X − rays were much generated to agreat extent from the primary X − ray incident side of the object ， 2) were greatly generated from low density materials such as water ， muscular and fatty tissues compared with high density materials such as a contrast medium and bones ， and 3＞images of the scattered X − rays from patients in diagnostic radiograph were able to be obtained ．

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