Development of Pr:LuAG scintillator array and assembly for positron emission mammography

Takayuki Yanagida*, Akira Yoshikawa, Yuui Yokota, Kei Kamada, Yoshiyuki Usuki, Seiichi Yamamoto, Masayasu Miyake, Mamoru Baba, Kazuaki Kumagai, Katsuhisa Sasaki, Masatoshi Ito, Naoto Abe, Yutaka Fujimoto, Shuji Maeo, Yuki Furuya, Hidehiko Tanaka, Akihiro Fukabori, Targino Rodrigues Dos Santos, Motoharu Takeda, Noriaki Ohuchi

*この研究の対応する著者

研究成果: Article査読

200 被引用数 (Scopus)

抄録

In order to detect the breast cancer at the early stage with high efficiency, we intend to develop positron emission mammography (PEM), using Pr:LuAG single crystal as a scintillator of this scanner. PEM has the same mechanism of PET, where two 511 keV annihilation gamma-rays are detected by two gamma cameras at opposite side, and reconstruction of the data shows the position of the cancer with malignancy grades. After cutting and polishing processes for each crystal to a physical dimensions of 2.1 × 2.1 × 15 mm3, Pr:LuAG array covered with BaSO4 reflector was used as a sensor head. The one camera unit consisted of 20 × 64 pixels optically coupled with three H8500-03 multi anode PMTs. Our PEM required four cameras at each side. Finally, eight cameras were installed in both sides of the prototype instrument and the spatial resolution was evaluated using the 18F in the breast phantom.

本文言語English
論文番号5485089
ページ(範囲)1492-1495
ページ数4
ジャーナルIEEE Transactions on Nuclear Science
57
3 PART 2
DOI
出版ステータスPublished - 2010 6月
外部発表はい

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 原子力エネルギーおよび原子力工学
  • 電子工学および電気工学

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