X-ray CT - X-ray CT

Japanese: X 線 CT - えっくすせんしーてぃー
X-ray CT - X-ray CT


[Medical Use]
X-ray photography is the most familiar use of radiation in medicine, and is extremely widely used as a diagnostic technique. Recently, X-ray computed tomography (X-ray CT), which uses a computer to reconstruct images, has made progress and is becoming increasingly widespread. In addition to X-rays, there are also proton beam CT, which uses protons from an accelerator, and emission CT and positron CT, which focus labeled compounds of nuclides that emit gamma rays or positrons on a local area of ​​interest and measure the gamma rays emitted (CT examination).

*Some of the terminology that refers to "X-ray CT" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[医学利用]
 医学における放射線利用ではX線写真撮影がもっともなじみ深いもので,診断技術としてきわめて広く利用されている。最近ではコンピューターで画像の再構成処理をするX線コンピューター断層撮影(X線CT)技術が進歩し,普及が著しい。X線のみでなく,加速器からの陽子(プロトン)を使用するプロトンビームCT,γ線や陽電子を放射する核種の標識化合物を対象とする局部に集中させ,放出されるγ線を計測するエミッションCTやポジトロンCTもある(CT検査)。…

※「X 線 CT」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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