Applications of a pet device with 1.5 MM FWHM intrinsic spatial resolution to breast cancer imaging

Irving Weinberg, David Beylin, Steve Yarnall, Edward Anashkin, Pavel Stepanov, Sevgei Dolinsky, Valera Zavarzin, William Peter, Kathrin Lauckner, Kathryn Morton, Rita Freimanis, Nadia Lesko, Edward Levine, Nancy Perrier, Judy Lovelace, Kim Geisinger, Rodney Williams, Scott Wollenweber, Deepa Narayanan, Mohan DossJean Hummel, Elin Sigurdson, Kathryn Evers, Michael Torosian, Lee Adler

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

12 Scopus citations

Abstract

Operation of a high resolution compact clinical PET Scanner (PEM Flex™) device as a breast scanner is described. The device features high spatial resolution (1.5 mm FWHM intrinsic resolution) as a result of small crystals and compact position-sensitive photomultipliers. The compactness of the system allows it to reside within a stereotactic x-ray mammography unit, or as a separate standalone system capable of breast compression. The gamma rays are detected for a volumetric reconstruction by two heads, each of which contains 2,028 2 mm by 2 mm by 10 mm lutetium-containing crystals. The heads travel within x-ray transparent compression paddles. A window is provided in one of the paddles for direct correlation with ultrasound transducers and for interventional access. To enable real-time interventions, images are reconstructed and displayed while the detectors are still acquiring data. The maximum-likelihood reconstruction provides quantitative images with three-fold improved contrast as compared to simple back-projections.

Original languageEnglish
Title of host publication2004 2nd IEEE International Symposium on Biomedical Imaging
Subtitle of host publicationMacro to Nano
Pages1396-1399
Number of pages4
StatePublished - 2004
Event2004 2nd IEEE International Symposium on Biomedical Imaging: Macro to Nano - Arlington, VA, United States
Duration: Apr 15 2004Apr 18 2004

Publication series

Name2004 2nd IEEE International Symposium on Biomedical Imaging: Macro to Nano
Volume2

Conference

Conference2004 2nd IEEE International Symposium on Biomedical Imaging: Macro to Nano
Country/TerritoryUnited States
CityArlington, VA
Period04/15/0404/18/04

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