心筋ＳＰＥＣＴにおける半側臥位撮像法の検討

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  • SPECT Study of Myocardial Scintigraphy in the Semidecubital Position.
  • シンキン SPECT ニ オケル ハン ソクガイ サツゾウホウ ノ ケントウ

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Myocardial images of SPECT system, especially those of the inferior wall are degraded due to attenuation of gamma ray and the increased distance of gamma camera from the body because of the presence of the patient table. To avoid this difficulty of conventional patient table a newly developed patient table was used with 45 degree right semidecubital position. In 16 cases data acquisition was performed in the both supine and semidecubitul positions. With the use of semidecubitus position imaging of the inferior wall was improved. Transposition of the heart in the semidecubitus position was observed, but its effect on the quality of the myocardial images was minimum. The semidecubitus position technique demonstrated the inferior wall lesions to better advantage when the images in the supine position were not sufficient for the diagnosis.

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