Fundamental performance of a new planer PEM

Shigeki Ito; Hiroki Sato; Yoshiyuki Usuki; Masayasu Miyake; Kazuaki Kumagai; Mamoru Baba; Masatoshi Ito; Seiichi Yamamoto

doi:10.1109/NSSMIC.2012.6551804

Fundamental performance of a new planer PEM

Shigeki Ito, Hiroki Sato, Yoshiyuki Usuki, Masayasu Miyake, Kazuaki Kumagai, Mamoru Baba, Masatoshi Ito, Seiichi Yamamoto

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

A Positron Emission Mammograph (PEM) with a pair of planer detectors dedicated for breast cancer detection is developed under collaborations of Tohoku University, Kobe City Collage of Technology, and Furukawa Co., Ltd. It uses thin crystals made of a scintillator Pr:Lu₃Al5O₁₂ (Pr:LuAG) of 2.1×2.1×15.0 mm in size combined with H8500 position sensitive Photo multi tubes (PMTs) from Hamamatsu. The PEM system is comprised of two opposing detectors that have 140×200 cm² field of view (FOV). We present its basic architecture with fundamental performance, such as spatial resolution, time resolution, energy resolution, and data acquisition count rate. The Spatial resolution measured using a ²²Na point sauce was found to be 1.1 mm FWHM for image planes parallel to the detector faces. Time resolution was 3.1 ns FWHM. And, energy resolution was 11.6 % FWHM (@511 keV) at the center of detector blocks. Coincident count rate was improved dramatically for optimizing energy windows level and implementation a new offset correction method.

Original language	English
Title of host publication	2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012
Pages	3519-3520
Number of pages	2
DOIs	https://doi.org/10.1109/NSSMIC.2012.6551804
Publication status	Published - 2012
Externally published	Yes
Event	2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012 - Anaheim, CA, United States Duration: 2012 Oct 29 → 2012 Nov 3

Publication series

Name	IEEE Nuclear Science Symposium Conference Record
ISSN (Print)	1095-7863

Conference

Conference	2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012
Country/Territory	United States
City	Anaheim, CA
Period	12/10/29 → 12/11/3

ASJC Scopus subject areas

Radiation
Nuclear and High Energy Physics
Radiology Nuclear Medicine and imaging

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1109/NSSMIC.2012.6551804

Cite this

Ito, S, Sato, H, Usuki, Y, Miyake, M, Kumagai, K, Baba, M, Ito, M & Yamamoto, S 2012, Fundamental performance of a new planer PEM. in 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012., 6551804, IEEE Nuclear Science Symposium Conference Record, pp. 3519-3520, 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012, Anaheim, CA, United States, 12/10/29. https://doi.org/10.1109/NSSMIC.2012.6551804

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abstract = "A Positron Emission Mammograph (PEM) with a pair of planer detectors dedicated for breast cancer detection is developed under collaborations of Tohoku University, Kobe City Collage of Technology, and Furukawa Co., Ltd. It uses thin crystals made of a scintillator Pr:Lu3Al5O12 (Pr:LuAG) of 2.1×2.1×15.0 mm in size combined with H8500 position sensitive Photo multi tubes (PMTs) from Hamamatsu. The PEM system is comprised of two opposing detectors that have 140×200 cm2 field of view (FOV). We present its basic architecture with fundamental performance, such as spatial resolution, time resolution, energy resolution, and data acquisition count rate. The Spatial resolution measured using a 22Na point sauce was found to be 1.1 mm FWHM for image planes parallel to the detector faces. Time resolution was 3.1 ns FWHM. And, energy resolution was 11.6 % FWHM (@511 keV) at the center of detector blocks. Coincident count rate was improved dramatically for optimizing energy windows level and implementation a new offset correction method.",

author = "Shigeki Ito and Hiroki Sato and Yoshiyuki Usuki and Masayasu Miyake and Kazuaki Kumagai and Mamoru Baba and Masatoshi Ito and Seiichi Yamamoto",

year = "2012",

doi = "10.1109/NSSMIC.2012.6551804",

language = "English",

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series = "IEEE Nuclear Science Symposium Conference Record",

pages = "3519--3520",

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AU - Ito, Shigeki

AU - Sato, Hiroki

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AU - Kumagai, Kazuaki

AU - Baba, Mamoru

AU - Ito, Masatoshi

AU - Yamamoto, Seiichi

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N2 - A Positron Emission Mammograph (PEM) with a pair of planer detectors dedicated for breast cancer detection is developed under collaborations of Tohoku University, Kobe City Collage of Technology, and Furukawa Co., Ltd. It uses thin crystals made of a scintillator Pr:Lu3Al5O12 (Pr:LuAG) of 2.1×2.1×15.0 mm in size combined with H8500 position sensitive Photo multi tubes (PMTs) from Hamamatsu. The PEM system is comprised of two opposing detectors that have 140×200 cm2 field of view (FOV). We present its basic architecture with fundamental performance, such as spatial resolution, time resolution, energy resolution, and data acquisition count rate. The Spatial resolution measured using a 22Na point sauce was found to be 1.1 mm FWHM for image planes parallel to the detector faces. Time resolution was 3.1 ns FWHM. And, energy resolution was 11.6 % FWHM (@511 keV) at the center of detector blocks. Coincident count rate was improved dramatically for optimizing energy windows level and implementation a new offset correction method.

AB - A Positron Emission Mammograph (PEM) with a pair of planer detectors dedicated for breast cancer detection is developed under collaborations of Tohoku University, Kobe City Collage of Technology, and Furukawa Co., Ltd. It uses thin crystals made of a scintillator Pr:Lu3Al5O12 (Pr:LuAG) of 2.1×2.1×15.0 mm in size combined with H8500 position sensitive Photo multi tubes (PMTs) from Hamamatsu. The PEM system is comprised of two opposing detectors that have 140×200 cm2 field of view (FOV). We present its basic architecture with fundamental performance, such as spatial resolution, time resolution, energy resolution, and data acquisition count rate. The Spatial resolution measured using a 22Na point sauce was found to be 1.1 mm FWHM for image planes parallel to the detector faces. Time resolution was 3.1 ns FWHM. And, energy resolution was 11.6 % FWHM (@511 keV) at the center of detector blocks. Coincident count rate was improved dramatically for optimizing energy windows level and implementation a new offset correction method.

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Fundamental performance of a new planer PEM

Abstract

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Conference

ASJC Scopus subject areas

UN SDGs

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