Effect of increased axial field of view of on the performance of a volume PET scanner
- Pennsylvania Univ., Philadelphia, PA (United States). Dept. of Radiology
- UGM Medical Systems, Inc., Philadelphia, PA (United States)
The performance of the PENN-PET 240H scanner from UGM Medical Systems is tested and compared to the prototype PENN-PET scanner built at the University of Pennsylvania. The UGM PENN-PET scanner consists of six continuous position-sensitive NaI(Tl) detectors, which results in a 50-cm transverse field-of-view and a 12.8-cm axial field-of-view. The fine spatial sampling in the axial direction allows the data to be sorted into as many as 64 transverse planes, each 2-mm thick. A large axial acceptance angle, without interplane septa, results in a high sensitivity, with a low scatter and randoms fraction, due to the use of a narrow photopeak energy window. This paper emphasizes those performance measurements that illustrate the special characteristics of a volume imaging scanner and how they change as the axial length is increased.
- Research Organization:
- Pennsylvania Univ., Philadelphia, PA (United States). Dept. of Radiology
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG02-88ER60642
- OSTI ID:
- 10107197
- Report Number(s):
- CONF-911106--34; ON: DE92004424
- Country of Publication:
- United States
- Language:
- English
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