Performance of a high sensitivity PET scanner based on LSO panel detectors

Author

Conti, M. ; Bendriem, B. ; Casey, M. ; Eriksson, L. ; Jakoby, B. ; Jones, W.F. ; Jones, J. ; Michel, C. ; Nahmias, C. ; Panin, V. ; Rappoport, V. ; Sibomana, M. ; Townsend, D.W.

Author_Institution

Siemens Med. Solutions, Knoxville, TN

Volume

5

fYear

2005

fDate

23-29 Oct. 2005

Firstpage

2501

Lastpage

2505

Abstract

We present the results of performance measurements for a new rotating panel detector research tomograph. The tomograph consists of five large-area LSO panel detectors. A long axial field of view (53 cm), high sensitivity, and high count rate capability (due to recently-developed fast electronics) are the most important features of this design. A peak noise equivalent count rate (NEC) of about 184 kcps has been measured, together with 2% absolute sensitivity for a 70 cm ¹⁸F line source and a spatial resolution less than 5 mm. Whole body patient images have been obtained, in two bed positions, 10 minutes per bed. An OP-OSEM3D algorithm has been implemented on a dedicated computer cluster used for reconstruction

Keywords

image reconstruction; medical image processing; positron emission tomography; solid scintillation detectors; ¹⁸F line source; LSO panel detectors; OP-OSEM3D algorithm; dedicated computer cluster; high count rate capability; high sensitivity PET scanner; image reconstruction; long axial field of view; noise equivalent count rate; rotating panel detector research tomograph; spatial resolution; whole body patient images; Biomedical imaging; Collimators; Event detection; Image reconstruction; Measurement; National electric code; Positron emission tomography; Radiology; Solid scintillation detectors; Whole-body PET;

fLanguage

English

Publisher

ieee

Conference_Titel

Nuclear Science Symposium Conference Record, 2005 IEEE

Conference_Location

Fajardo

ISSN

1095-7863

Print_ISBN

0-7803-9221-3

Type

conf

DOI

10.1109/NSSMIC.2005.1596848

Filename

1596848