Sarah Eva McKenney, Ph.D., D.A.B.R. for UC Davis Health

Sarah Eva McKenney, Ph.D., D.A.B.R.

Division Chief, Radiology Physics

Associate Professor, Division of Medical Physics, Department of Radiology





Locations and Contact

Lawrence J. Ellison Ambulatory Care Center

Lawrence J. Ellison Ambulatory Care Center
4860 Y St.
Sacramento, CA 95817

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Philosophy of Care

Inclusivity: Dr. McKenney strives to provide patients of all ages, genders, shapes and sizes with excellent imaging while being mindful of radiation.

Clinical Interests

Dr. McKenney is a diagnostic imaging medical physicist with an expertise in the physics of radiation-producing machines, such as general radiography, mammography, fluoroscopy, and computed tomography. While she supports imaging of all patients, Dr. McKenney has a clinical expertise in pediatric imaging.

Research/Academic Interests

Dr. McKenney’s research focuses on optimizing image quality and radiation dose. The challenges to ensure excellent diagnostic imaging provide interesting and evolving research opportunities.


Medical Physics

Undergraduate School

B.S., Physics, University of Maryland, College Park, College Park MD 2004

Undergraduate School

B.A., Studio Art, University of Maryland, College Park, College Park MD 2004

Other School

Ph.D., Biomedical Engineering, UC Davis, Davis CA 2013


Radiology, Henry Ford Health System, Detroit MI 2013-2015

McKenney SE, Wait JMS, Cooper VN 3rd, Johnson AM, Wang J, Leung AN, Clements J. Multi-institution consensus paper for acquisition of portable chest radiographs through glass barriers. J Appl Clin Med Phys. 2021 Aug;22(8):219-229. doi:10.1002/acm2.13330. Epub 2021 Jul 2. PMID:34216091.

Strauss KJ, McKenney SE, Brady SL. Improved Estimates of Trunk and Head CT Radiation Dose: Development of Size-Specific Dose Estimate. J Am Coll Radiol. 2020 Apr;17(4):560-562. doi:10.1016/j.jacr.2019.11.006. Epub 2019 Dec 12. PMID:31837979.

McKenney SE, Supanich MP. "Leaping" Toward the Bottom. J Am Coll Radiol. 2019 Aug;16(8):1119-1120. doi:10.1016/j.jacr.2019.02.006. Epub 2019 Apr 8. PMID:30975609.

Lv Y, Lv X, Liu W, Judenhofer MS, Zwingenberger A, Wisner E, Berg E, McKenney S, Leung E, Spencer BA, Cherry SR, Badawi RD. Mini EXPLORER II: a prototype high-sensitivity PET/CT scanner for companion animal whole body and human brain scanning. Phys Med Biol. 2019 Mar 21;64(7):075004. doi:10.1088/1361-6560/aafc6c. PMID:30620929.

McKenney S, Gingold E, Zaidi H. Gonadal shielding should be discontinued for most diagnostic imaging exams. Med Phys. 2019 Mar;46(3):1111-1114. doi:10.1002/mp.13409. Epub 2019 Feb 18. PMID:30697762.

McKenney SE, Dodge CT. Pediatric CT Protocols From the American Association of Physicists in Medicine Alliance for Quality CT. J Am Coll Radiol. 2018 Oct;15(10):1448-1449. doi:10.1016/j.jacr.2018.02.031. Epub 2018 May 7. PMID:29748080.

McKenney SE, Otero HJ, Fricke ST. Lead Apron Inspection Using Infrared Light: A Model Validation Study. J Am Coll Radiol. 2018 Feb;15(2):313-318. doi:10.1016/j.jacr.2017.09.014. Epub 2017 Nov 8. PMID:29128502.

Rigsby CK, McKenney SE, Hill KD, Chelliah A, Einstein AJ, Han BK, Robinson JD, Sammet CL, Slesnick TC, Frush DP. Radiation dose management for pediatric cardiac computed tomography: a report from the Image Gently 'Have-A-Heart' campaign. Pediatr Radiol. 2018 Jan;48(1):5-20. doi:10.1007/s00247-017-3991-x. Epub 2018 Jan 1. PMID:29292481.

Berman BP, McKenney SE, Fricke ST, Fang Y, Gavrielides MA, Petrick N. Quantitative Characterization of Liver Tumor Radiodensity in CT Images: A Phantom Study between Two Scanners. Medical Imaging 2018: Computer-Aided Diagnosis. 2018;10575:105753H. doi:10.1117/12.2293190.

McKenney SE, Seibert JA, Lamba R, Boone JM. Methods for CT automatic exposure control protocol translation between scanner platforms. J Am Coll Radiol. 2014 Mar;11(3):285-91. doi:10.1016/j.jacr.2013.10.014. PMID:24589404.