Development of an application specific scintimammography detector based on a crystal scintillator array and a PSPMT

Abstract We report the results of studies conducted with small field of view scintimammography camera based on a position-sensitive photomultiplier tube (5″ Hamamatsu R3292) and several pixelized crystal scintillator arrays made of YAP, CsI(Na) and NaI(Tl) scintillators. Laboratory tests and pre-clinical phantom studies were conducted to compare and optimize the performances of the prototypes with special emphasis on spatial resolution (∼2–3 mm) and sufficient energy resolution for scatter rejection.