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Scott D. Metzler, PhD

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Research Associate Professor of Radiology
CT Technology Chief, Department of Radiology, University of Pennsylvania
Department: Radiology

Contact information
University of Pennsylvania
Department of Radiology
Physics & Instrumentation Group
160B John Morgan Building
3620 Hamilton Walk
Philadelphia, PA 19104-6021
Office: 215-662-7773
Fax: 215-573-3880
Education:
BS
Pennsylvania State University, 1992.
PhD
University of Pennsylvania, 1996.
Post-Graduate Training
Postdoctoral Scholar, California Institute of Technology, 1997-2000.
Senior Postdoctoral Scholar, California Institute of Technology, Pasadena, 2000-2000.
Research Associate, Duke University Medical Center, 2000-2002.
Certifications
None, .
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Description of Research Expertise

My expertise is the development, characterization, and use of instrumentation for emission tomography. In particular, I work on collimation for single photon emission computed tomography (SPECT), with an emphasis on high-resolution applications, and also on collimation for positron emission tomography (PET). For SPECT, I have developed detailed models of pinhole-aperture penetration by high energy gamma rays, a limiting aspect of high-resolution applications and both sensitivity and resolution models for slit-slat collimation, which is a hybrid cross of pinhole and parallel-beam collimation that can be used for small-organ imaging in clinical applications. In the laboratory, we use helical pinhole SPECT as a method for acquiring and reconstructing artifact-free images for whole-body small-animal applications. In PET, we are developing collimation to improve spatial resolution and sampling.
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Last updated: 11/16/2016
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