Radiology Personnel

Brent Stewart, Ph.D.

Diagnostic Physics


Brent is a Seattle native.


  • Biomedical Physics, PhD, 1988
    • University of California at Los Angeles, Los Angeles, CA
  • Physics, BS, 1980
    • University of Washington, Seattle, WA

Recent Publications

See all publications on Scopus

Impact of Incremental Increase in CT Image Noise on Detection of Low-contrast Hypodense Liver Lesions
Kanal K., Chung J., Wang J., Bhargava P., Gunn M., Shuman W., Stewart B.
Academic Radiology. 2014 Jan:1233-1239

Estimated skin dose look-up tables and their effect on dose awareness in the fluoroscopy-guided imaging suite
Dickinson R., Zamora D., Kanal K., Stewart B.
American Journal of Roentgenology. 2014 Jan:630-636

Radiation-induced complications in endovascular neurosurgery: Incidence of skin effects and the feasibility of estimating risk of future tumor formation
Peterson E., Kanal K., Dickinson R., Stewart B., Kim L.
Neurosurgery. 2013 Apr:566-572

SU‐E‐I‐34: Air Kerma to Estimated Entrance Skin Dose Look‐Up Tables: A Tool to Improve Dose Awareness in the Angiography Suite
Dickinson R., Kanal K., Zamora D., Stewart B.
Medical Physics. 2012 Jan:3632

MO‐F‐213CD‐07: Implementation of Dose Monitoring in a Cardiology Department with Independent Medical Reporting Systems
Zamora D., Dickinson R., Kanal K., Stewart B.
Medical Physics. 2012 Jan:3877

TU‐G‐217BCD‐09: Integration of Recent NEMA (MITA) XR‐25 CT Dose‐Check Standard into Clinical Practice
Zamora D., Kanal K., Dickinson R., Shuman W., Stewart B.
Medical Physics. 2012 Jan:3926

MO‐F‐213CD‐06: Implementation of Fluoroscopy Dose Mining and Analysis Process for Continuous Quality Assurance
Stewart B., Zamora D., Dickinson R., Rohrmann C., Kanal K.
Medical Physics. 2012 Jan:3877

MO‐F‐213CD‐05: Establishing a Follow‐Up Process for Angiographic Patients Receiving an Estimated Entrance Skin Dose in Excess of 5 Gy
Kanal K., Dickinson R., Zamora D., Cohen W., Valji K., Stewart B.
Medical Physics. 2012 Jan:3877

Image noise and liver lesion detection with MDCT: A phantom study
Kanal K., Chung J., Wang J., Bhargava P., Kohr J., Shuman W., Stewart B.
American Journal of Roentgenology. 2011 Aug:437-441

Dr Dighe and colleagues respond
Dighe M., Wieseler K., Bhargava P., Kanal K., Vaidya S., Stewart B.
Radiographics. 2011 May:891-892