ＣＴ－ＡＥＣ使用下の上腹部撮影に対する画質変動

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書誌事項

タイトル別名
  • Variation in the Quality of CT Images of the Upper Abdomen When CT Automatic Exposure Control Is Employed
  • CT AEC シヨウ カ ノ ジョウ フクブ サツエイ ニ タイスル ガシツ ヘンドウ

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説明

The aim of this study was to analyze the reason for variation of image quality in the upper abdomen CT with the use of CT-AEC. The CT investigated was 3D modulation in the 16MDCT and LSCT phantom was used to simulate the patient. When there was a phase difference, an image noise increase of around 15% at the maximum was accepted. It is concluded that the major reason for variation in image quality is respiratory motion and the importance of respiration control must be recognized.

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