Design and simulation of a full-ring multi-lofthole collimator for brain SPECT

Currently, clinical brain single photon emission computed tomography (SPECT) is mostly performed using rotating dual-head gamma cameras equipped with low-energy-high-resolution parallel-beam collimators (LEHR PAR). The resolution of these systems is rather poor (8-10 mm) and the rotation of the heav...

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Veröffentlicht in:	Physics in medicine & biology 2013-09, Vol.58 (18), p.6317-6336
Hauptverfasser:	Van Audenhaege, Karen, Vandenberghe, Stefaan, Deprez, Karel, Vandeghinste, Bert, Van Holen, Roel
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms brain Brain - diagnostic imaging collimator computed-tomography Computer Simulation computer simulations design Equipment Design human Humans Image Processing, Computer-Assisted lofthole Magnetic Resonance Imaging - methods medical imaging neurology optimization phantoms Phantoms, Imaging pinhole Positron-Emission Tomography - instrumentation Reproducibility of Results Sensitivity and Specificity shutter single-photon SPECT static system Tomography, Emission-Computed, Single-Photon - instrumentation Tomography, Emission-Computed, Single-Photon - methods
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