Gary D. Lewis

High Impact

Associate Professor

UAMS

Also affiliated: Houston Methodist (2017–2019); Albert Einstein College of Medicine (2020); Royal Adelaide Hospital (1993); Barrow Neurological Institute (1991–1993); Texas Medical Center (2016–2018); The University of Texas MD Anderson Cancer Center (2014–2025); University of Illinois Urbana-Champaign (1992); The University of Texas at San Antonio Health Science Center (2024–2025); Cornell University (2018–2019); New York Times (1994); University of Arkansas Medical Center (2021–2023); University of Florida Health (2024); Galveston College (2018); University Medical Center (1990); Henry Ford Hospital (1989–1993); University of Florida (2025); Jacksonville University (2024–2025); University of Illinois Chicago (1992); May Institute (2025); Methodist Hospital (2017–2020); Winthrop Rockefeller Foundation (2021–2023); Scripps MD Anderson Cancer Center (2025); Weill Cornell Medical College in Qatar (2018); Mays Cancer Center at UT Health San Antonio (2024–2025); Wake Forest University (1990); The University of Texas Medical Branch at Galveston (2016–2020); Drexel University (2015); The University of Texas Health Science Center at Houston (2024)

20 h-index 118 pubs 1,872 cited

Research Areas

Biomedical Subjects

Links

ORCID Lab Website

OverviewAI-generated summary

Gary D. Lewis's research has focused on the development and application of noninvasive optical spectroscopy for monitoring cerebral oxygen delivery and hemodynamics, particularly in the context of hypothermic circulatory arrest in humans. His work has investigated the intracerebral penetration of infrared light, contributing to the understanding of how such light can be used for physiological monitoring.

His research also extends to the field of radiation oncology, with publications examining intensity-modulated proton therapy for nasopharyngeal carcinoma. These studies have reported on decreased radiation dose to normal structures and encouraging clinical outcomes, as well as reduced treatment-related toxicities compared to intensity-modulated photon therapy. Lewis has also explored the long-term institutional experience with telemedicine services for radiation oncology, identifying it as a potential model for future utilization.

In addition to his work in medical physics and oncology, Lewis has published on prenatal risk factors for childhood behavioral problems, specifically internalizing and externalizing behaviors. His scholarly contributions include 118 publications with 1,872 citations, an h-index of 20, and he is designated as a highly cited researcher. He maintains collaborations with several researchers at the University of Arkansas for Medical Sciences, including Santanu Samanta, Mumtaz Patel, Forouh Kalantari, and R.J. Megahed.

Metrics

h-index: 20
Publications: 118
Citations: 1,872

Positions

Associate Professor 2023–present

The University of Texas Health Science Center at San Antonio Radiation Oncology ORCID
Associate Professor publications 2019–2025

University of Arkansas for Medical Sciences ORCID
Assistant Professor 2019–2023

University of Arkansas for Medical Sciences Radiation Oncology ORCID
Resident 2015–2019

The University of Texas Medical Branch at Galveston Radiation Oncology ORCID
Transitional Year Intern 2014–2015

Crozer-Chester Medical Center Internal Medicine ORCID

Selected Publications

Liver-Sparing Total Body Irradiation Using Helical Tomotherapy for Relapsed Pre-B-cell Acute Lymphoblastic Leukemia (2025)

Cureus DOI OpenAlex
Planning strategy on delivery robustness of intensity modulated proton therapy to treat patients with head-neck cancers (2024)

International Journal of Particle Therapy DOI OpenAlex
Re-irradiation of recurrent head and neck cancers using pulsed reduced dose rate radiotherapy: An institutional series (2024)

Oral Oncology 2 citations DOI OpenAlex
Re-Irradiation of Recurrent Head and Neck Cancers Using Pulsed Reduced Dose Rate Radiotherapy: An Institutional Series (2024)

medRxiv DOI OpenAlex
A Prospective Study Measuring Resident and Faculty Contour Concordance: A Potential Tool for Quantitative Assessment of Residents’ Performance in Contouring and Target Delineation in Radiation Oncology Residency (2023)

Journal of the American College of Radiology 6 citations DOI OpenAlex
A Single Institution Experience of a Biweekly Head and Neck Contouring Peer Review (2023)

International Journal of Radiation Oncology*Biology*Physics DOI OpenAlex
Analysis of the Cancer Imaging Archive for Patterns of Locoregional Failure in Relation to the Mucous Membranes among Patients with Head and Neck Squamous Cell Carcinoma: Potential Organ at Risk that can be Spared? (2023)

International Journal of Radiation Oncology*Biology*Physics DOI OpenAlex
PO74 (2023)

Brachytherapy DOI OpenAlex
PO32 (2023)

Brachytherapy DOI OpenAlex
Virtual reality technology: A potential tool to enhance brachytherapy training and delivery (2023)

Brachytherapy 6 citations DOI OpenAlex
A Prospective Study Measuring Resident/Faculty Contour Concordance: A Potential Tool for Quantitative Assessment of Residents’ Performance in Contouring and Target Delineation (2023)

medRxiv 1 citation DOI OpenAlex
The Effects of the COVID-19 Pandemic on Cancer Staging in Patients Diagnosed With Head and Neck Cancer (2023)

Cureus 8 citations DOI OpenAlex
PO36 Presentation Time: 10:30 AM (2022)

Brachytherapy DOI OpenAlex
PO44 Presentation Time: 4:45 PM (2022)

Brachytherapy DOI OpenAlex
Analysis of Resident/Faculty Contour Concordance: A Potential Tool for Quantitative Assessment of Residents’ Performance in Target Volume Delineation (2022)

International Journal of Radiation Oncology*Biology*Physics DOI OpenAlex