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A preliminary evaluation of a cylindrical SPECT-camera

By: Larsson, S.A.; Widen, L.; Eriksson, L.; Ribbe, T.; Bergqvist, M.; Hovander, B.; Carnebrink, T.; Bohm, C.;

1992 / IEEE / 0-7803-0884-0

Description

This item was taken from the IEEE Periodical ' A preliminary evaluation of a cylindrical SPECT-camera ' Summary form only given, as follows. The Stockholm University and Karolinska Hospital cylindrical SPECT (single photon emission computed tomography) camera is currently being assembled. The construction has now reached a stage where preliminary evaluations can be made. The basic component of the system is an 180-cm-high cylindrical NaI(Tl) scintillator with an inner diameter of 30 cm. Early measurements of position and energy resolutions with individual local acquisition groups have proved encouraging. With densely packed 60-mm hexagonal PM-tubes with curved front end windows, energy resolutions of 10% or less have been recorded for 140-keV photons. Further optimizations are expected to lead to minor additional improvements.<>