ガンマカメラを用いたシングルフォトンラジオアイソトープエミッションCT像

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タイトル別名
  • Single Photon Radioisotope Emission Computed Tomography Image Using Gamma Camera
  • ガンマ カメラ オ モチイタ シングル フォトンラジオアイソトープ エミッショ

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Single photon radioisotope computed tomography (RCT) images were obtained using the following devices such as conventional gamma camera, data processer for exclusive use of nuclear medicine (C.D.S.-4096), magnetic tape and medium size electronic computer FACOM 230-28S (48K) for multipurposes, which are routinely used for clinical purpose.<BR>To reconstruct the RCT image we made absorption correction by geometric mean of opposing counts considering the thickness of source and used the convolution integral method.<BR>The reconstructed images of phantom study resolved one centimeter clearly and were very similar to original.<BR>The RCT image of patient was acquired by the rotation of patients using the revolving chair and the handmade implement which settles the center of patient's head.<BR>Three dimensional informations were obtained by one examination with a gamma camera which collects two dimensional images. When using a gamma camera, therefore, not only a transaxial but an arbitraly RCT image will be important to contribute for diagnosis.

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