3D continuous emission and spiral transmission scanning for high-throughput whole-body PET

Author

Kitamura, K. ; Ishikawa, A. ; Mizuta, T. ; Tanaka, Mitsuru ; Amano, M. ; Takahashi, S. ; Tanaka, A. ; Yamamoto, S. ; Matsumoto, K. ; Nakamoto, Y. ; Sakamoto, Shinji ; Senda, M.

Author_Institution

Shimizu Corp., Kyoto

Volume

5

fYear

2004

fDate

16-22 Oct. 2004

Firstpage

2801

Lastpage

2805

Abstract

In order to achieve high-throughput whole-body PET studies, we have developed 3D continuous emission and spiral transmission (CEST) scanning for a newly developed PET scanner: SET-3000G/X. In this method, the patient couch moves continuously through the emission and dedicated transmission scanners separated axially by a lead shield. Transmission single data are acquired with a rotating ¹³⁷Cs point source as spiral fan-beam data with emission singles contamination correction. These data are sequentially rebinned and reconstructed to estimate 3D attenuation table for 511 keV photons. Emission 3D coincidence data are acquired in histogram mode with on-the-fly attenuation correction and Fourier rebinning at each axial sampling. Attenuation corrected 3D emission images can then be obtained in a single continuous bed movement. The CEST acquisition has the potential of reducing whole body acquisition times significantly while improving the data processing efficiency

Keywords

image reconstruction; image scanners; medical image processing; positron emission tomography; 3D attenuation table; 3D continuous emission and spiral transmission scanning; 511 keV; Fourier rebinning; SET-3000G/X; attenuation corrected 3D emission images; axial sampling; data reconstruction; emission 3D coincidence data; high-throughput whole-body PET; histogram mode; lead shield; on-the-fly attenuation correction; patient couch; rotating ¹³⁷Cs point source; spiral fan-beam data; Attenuation; Cameras; Contamination; Detectors; Histograms; Image reconstruction; Signal to noise ratio; Spirals; Throughput; Whole-body PET;

fLanguage

English

Publisher

ieee

Conference_Titel

Nuclear Science Symposium Conference Record, 2004 IEEE

Conference_Location

Rome

ISSN

1082-3654

Print_ISBN

0-7803-8700-7

Electronic_ISBN

1082-3654

Type

conf

DOI

10.1109/NSSMIC.2004.1466270

Filename

1466270