｀８９´Ｓｒ制動放射線の画像化における基礎的検討

DOI Web Site 被引用文献3件 参考文献19件

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タイトル別名
  • Underlying Examination in the Imaging of 89Sr Bremsstrahlung Radiation
  • 臨床技術 89Sr制動放射線の画像化における基礎的検討
  • リンショウ ギジュツ 89Sr セイドウ ホウシャセン ノ ガゾウカ ニ オケル キソテキ ケントウ

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The radiopharmaceutical strontium chloride (89Sr) has been released as a new means of pain relief for painful bone metastasis in cancer patients. Because 89Sr is a pure beta-emitting nuclide, it was considered difficult to know its distribution in the body from outside. Imaging with a gamma camera using bremsstrahlung radiation has been reported as one method, but there has been little detailed basic examination. We examined the optimal energy window and collimator when imaging with a gamma camera using bremsstrahlung radiation produced from 89Sr beta rays. The results showed that setting the energy window at 75 keV, which is the peak formed by the characteristic X-ray of lead that is produced by the interaction of bremsstrahlung radiation and lead, is optimal for imaging. Also important are the material of the collimator and the use of an MELP collimator.

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