Effects of crystal pixel size and collimator geometry on the performance of a pixelated crystal γ-camera using Monte Carlo simulation

M Rasouli, A Takavar, MR Ay, S Saber… - Journal of nuclear …, 2010 - Soc Nuclear Med
Dedicated γ-cameras based on pixelated scintillators have long been used for breast tumor
imaging. Intercrystal scattering (ICS) increases the background counting rate and degrades …

The influence of inter-crystal scattering on detection efficiency of dedicated breast gamma camera: a Monte Carlo study

M Rasouli, MR Ay, A Takavar, S Lashkari… - … European Conference of …, 2009 - Springer
Dedicated gamma cameras based on Photodiodes coupled to pixellated small size
scintillators, is suitable for high resolution imaging such as small animal and breast cancer …

Evaluation of gamma cameras for use in dedicated breast imaging

MJ Moré, PJ Goodale, S Majewski… - IEEE transactions on …, 2006 - ieeexplore.ieee.org
Due to the limitations of conventional gamma cameras for breast imaging, many researchers
are developing dedicated imagers for use in scintimammography that can be positioned …

Performance improvement of small gamma camera using NaI (Tl) plate and position sensitive photo-multiplier tubes

MH Jeong, Y Choi, YH Chung, TY Song… - Physics in Medicine …, 2004 - iopscience.iop.org
The purpose of this study was to improve the performance of a small gamma camera,
utilizing a NaI (Tl) plate and a 5''position sensitive PMT. We attempted to build a NaI (Tl) …

A discrete scintillation camera module using silicon photodiode readout of CsI (TI) crystals for breast cancer imaging

GJ Gruber, WW Moses, SE Derenzo… - … on Nuclear Science, 1998 - ieeexplore.ieee.org
The authors characterize a 3/spl times/4 element imaging array consisting of 3/spl
times/3/spl times/5 mm/sup 3/CsI (TI) scintillator crystals individually read out by 3/spl times/3 …

Matched collimators for pixellated gamma camera

P Raghunathan, PJ Goodale, J Klinger… - IEEE Nuclear …, 2005 - ieeexplore.ieee.org
Recent years have witnessed the development of small field of view (FOV) nuclear medicine
cameras for applications requiring either high spatial resolution and/or compact camera …

Comparison of small field of view gamma camera systems for scintimammography

CB Hruska, MK O'Connor… - Nuclear medicine …, 2005 - journals.lww.com
Methods A multi-crystal NaI system (Dilon 6800), a multicrystal CsI system (Digirad 2020tc
Imager) and a prototype cadmium zinc telluride (CZT) detector were evaluated using a …

Spatial Resolution Improvement of a Gamma Camera with a Diverging Collimator Using a Tapered Crystal Array

SJ Lee, D Kim, CH Baek - Journal of the Korean Physical Society, 2020 - Springer
Diverging collimators are used to obtain reduced images of an object or detect a wide field-
of-view (FOV) by using a small gamma camera. In gamma cameras equipped with diverging …

Optimizing pinhole and parallel hole collimation for scintimammography with compact pixellated detectors

MF Smith, S Majewski… - IEEE Transactions on …, 2003 - ieeexplore.ieee.org
The relative resolution and sensitivity advantages of pinhole and parallel hole collimators for
planar scintimammography with compact, pixellated gamma detectors were investigated …

Development of GATE Monte Carlo simulation for a CsI pixelated gamma camera dedicated to high resolution animal SPECT

P Taherparvar, A Sadremomtaz - Australasian Physical & Engineering …, 2018 - Springer
GATE is currently considered in scintigraphic imaging as a powerful tool to develop, design
and optimize nuclear medicine modalities. This paper describes the GATE simulation of a …