Comparison of scintillators for positron emission mammography (PEM) systems
Journal Article
·
· IEEE Transactions on Nuclear Science
Positron emission mammography (PEM) has promise as an effective method for the detection of breast lesions. Perhaps the most significant design feature of a PEM system is the choice of scintillator material. In this investigation we compared three scintillators for use in PEM: NaI(Tl), gadolinium oxyorthosilicate (GSO), and lutetium-gadolinium oxyorthosilicate (LGSO). The PEM systems consisted of two 30/spl times/30 arrays of pixelated scintillators (3/spl times/3/spl times/10 mm/sup 3/ for GSO and LGSO and 3/spl times/3/spl times/19 mm/sup 3/ for NaI(Tl)) coupled to arrays of square position-sensitive photomultiplier tubes. The Compton scatter fraction, system energy resolution, spatial resolution, spatial resolution uniformity, and detection sensitivity were compared. Compton scatter fractions for the systems were comparable, between 8% and 9%. The NaI(Tl) system produced the best system energy resolution (18.2%), the GSO system had the worst system energy resolution (28.7%).
- Research Organization:
- Thomas Jefferson National Accelerator Facility, Newport News, VA (US)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 834837
- Report Number(s):
- JLAB-PHY-03-56; DOE/ER/40150-3001
- Journal Information:
- IEEE Transactions on Nuclear Science, Journal Name: IEEE Transactions on Nuclear Science Journal Issue: 1 Vol. 50; ISSN 0018-9499; ISSN IETNAE
- Country of Publication:
- United States
- Language:
- English
Similar Records
Aspects of Three-Dimensional Imaging by Classical Tomography for Dual Detector Positron Emission Mammography (PEM)
Optimization of a mini-gamma camera based on a 2?2 array of Hamamatsu H8500 PSPMTs
Calibration of a PEM detector with depth of interactionmeasurement
Journal Article
·
Fri Nov 30 23:00:00 EST 2001
·
OSTI ID:790066
Optimization of a mini-gamma camera based on a 2?2 array of Hamamatsu H8500 PSPMTs
Journal Article
·
Thu Nov 30 23:00:00 EST 2006
· Nucl.Instr.Meth.A
·
OSTI ID:1097037
Calibration of a PEM detector with depth of interactionmeasurement
Journal Article
·
Thu Jun 03 00:00:00 EDT 2004
· IEEE Transactions on Nuclear Science
·
OSTI ID:881601