Thomas Lewellen, Ph.D.

Professor Emeritus
Nuclear Medicine

Recent Publications

See all publications on Scopus

Development and testing of SPECT/CT lung phantoms made from expanding polyurethane foam
Lehnert A., Hunter W., McDougald W., Harrison R., Lewellen T., Vesselle H., Miyaoka R.
Medical Physics. 2019 Jan

A Low Input Impedance Front-End Interface ASIC for PET Imaging
Dey S., Lewellen T., Miyaoka R., Rudell J.
2018 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2018 - Proceedings. 2018 Nov

A CMOS front-end interface ASIC for SiPM-based positron emission tomography imaging systems
Dey S., Rudell J., Lewellen T., Miyaoka R.
2017 IEEE Biomedical Circuits and Systems Conference, BioCAS 2017 - Proceedings. 2018 Mar:1-4

Analysis of SPECT/CT quantitation in soft tissue and lung density phantoms
Hunter W., Lehnert A., Lewellen T., Harrison R., McDougald W., Miyaoka R.
2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop, NSS/MIC/RTSD 2016. 2017 Oct

Acquisition electronics
Lewellen T.
Physics of PET and SPECT Imaging. 2017 Jan:91-114

A study of SPECT/CT camera stability for quantitative imaging
McDougald W., Miyaoka R., Alessio A., Harrison R., Lewellen T.
EJNMMI Physics. 2016 Dec

Evaluation of event position reconstruction in monolithic crystals that are optically coupled
Morrocchi M., Hunter W., Del Guerra A., Lewellen T., Kinahan P., MacDonald L., Bisogni M., Miyaoka R.
Physics in Medicine and Biology. 2016 Nov:8298-8320

Investigation of surface treatment of interface for depth of interaction positioning of a 2×2 discrete crystal array
Miyaoka R., Sowards-Emmerd D., Hunter W., Laurence T., Griesmer J., Perkins A., Lewellen T.
2015 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2015. 2016 Oct

Depth of interaction calibration and capabilities in 2×2 discrete crystal arrays and digital silicon photomultipliers
Lehnert A., Hunter W., Lewellen T., Miyaoka R.
2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014. 2016 Mar

Depth of Interaction Calibration and Capabilities in 2 × 2 Discrete Crystal Arrays and Digital Silicon Photomultipliers
Lehnert A., Hunter W., Lewellen T., Miyaoka R.
IEEE Transactions on Nuclear Science. 2016 Feb:4-7