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Scott D. Metzler, PhD

Scott D. Metzler, PhD Researcher

Research Professor of Radiology

Dr. Metzler is employed by Penn Medicine.

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American Association of Physicists in Medicine, National Institute of the Electrical and Electronics Engineers, International Society of Nuclear Medicine and Molecular Imaging, International

Hospital Affiliation

Dr. Metzler is employed by Penn Medicine.


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.

Academic Contact Info

John Morgan Building, Room 160B
Philadelphia, PA 19104
Phone: (215) 573-6025