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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.10
- 수록면
- 2,346 - 2,352 (7page)
- DOI
- https://doi.org/10.1016/j.net.2020.03.030
이용수
초록· 키워드
오류제보하기
Dual-energy x-ray absorptiometry (DXA) is the noninvasive method to diagnose osteoporosis disease characterized by low bone mass and deterioration of bone tissue. Many global companies and research groups have developed the various DXA detectors using a direct photon-counting detector such as a cadmium zinc telluride (CZT) sensor. However, this approach using CZT sensor has some drawback such as the limitation of scalability by high cost and the loss of efficiency due to the requirement of a thin detector.
In this study, a SiPM based DXA system was developed and its performance evaluated experimentally. The DXA detector was composed of a SiPM sensor coupled with a single LYSO scintillation crystal (3 × 3 × 2 mm3). The prototype DXA detector was mounted on the dedicated front-end circuit consisting of a voltage-sensitive preamplifier, pulse shaping amplifier and constant fraction discriminator (CFD) circuit. The SiPM based DXA detector showed the 34% (at 59 keV) energy resolution with good BMD accuracy. The proposed SiPM based DXA detector showed the performance comparable to the conventional DXA detector based on CZT.
목차
등록된 정보가 없습니다.
참고문헌 (30)
참고문헌 신청
Glen M. Blake / 2007 / The role of DXA bone density scans in the diagnosis and treatment of osteoporosis / Postgrad. Med 83:509~517
Yong Jun Choi / 2009 / Cross-calibration of iDXA and prodigy on spine and femur scans in Korean adults / J. Clin. Densitom 12(4):450~455
Centers for Disease Control and Prevention National Center for Health Statistics / Dual Energy X-Ray Absorptiometry (DXA) Procedures Manual
Wear James / 2000 / CZT detector for dualenergy x-ray absorptiometry (DEXA) / Proc. SPIE 4142, in: International Symposium on Optical Science and Technology
R. B. Mazess / 2000 / Axial and total-body bone densitometry using a narrow-angle fan-beam / Osteoporos. Int 11:158~166
Yong Jun Choi / 2009 / Cross-calibration of iDXA and prodigy on spine and femur scans in Korean adults / J. Clin. Densitom 12(4):450~455
Centers for Disease Control and Prevention National Center for Health Statistics / Dual Energy X-Ray Absorptiometry (DXA) Procedures Manual
Wear James / 2000 / CZT detector for dualenergy x-ray absorptiometry (DEXA) / Proc. SPIE 4142, in: International Symposium on Optical Science and Technology
R. B. Mazess / 2000 / Axial and total-body bone densitometry using a narrow-angle fan-beam / Osteoporos. Int 11:158~166
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