Title :
Stationary SPECT with multi-layer Multiple-Pinhole-Arrays
Author :
Ren, Weiqiang ; Valastyan, I. ; Colarieti-Tosti, M.
Author_Institution :
Dept. of Med. Eng., R. Inst. of Technol. (KTH), Huddinge, Sweden
fDate :
Oct. 27 2012-Nov. 3 2012
Abstract :
The potential of Multiple Pinhole Arrays (MPA) collimators for developing a Single Photon Emission Computer Tomography (SPECT) system without rotating or moving elements is investigated. A four layer arrangement is proposed and the system performance is evaluated using the simulation toolkit GATE [1]. For a camera with a field of view (FOV) of the order of a human brain (a sphere of radius 100 mm), a sensitivity of 86,0 cps/MBq and an overall resolution of 5 mm have been estimated, indicating that performances comparable to traditional parallel-hole-collimator cameras can be achieved.
Keywords :
brain; cameras; collimators; single photon emission computed tomography; FOV; Single Photon Emission Computer Tomography system; camera; field-of-view; human brain; multilayer multiple-pinhole-array; parallel-hole-collimator cameras; simulation toolkit GATE; stationary SPECT;
Conference_Titel :
Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2012 IEEE
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4673-2028-3
DOI :
10.1109/NSSMIC.2012.6551593
