Match tier
Listed
Presence
Current · Arkansas
Last published
2025
Sources
OpenAlex · ORCID
Refreshed
2026-10-05
G
Ganesh Narayanasamy
Assistant Professor
Also affiliated: University of Kentucky (2011–2015); The University of Texas at San Antonio Health Science Center (2014); University of Michigan (2007–2010); University of Arkansas Medical Center (2025); Michigan Medicine (2009); Philips (United States) (2010); The University of Texas at San Antonio (2014)
6 h-index
27 pubs
158 cited
Research Areas
Biomedical Subjects
Links
Biography and Research Information
OverviewAI-generated summary
Ganesh Narayanasamy's research focuses on the application of computational methods and advanced imaging techniques in radiation oncology. His work investigates methods to improve the accuracy and efficacy of cancer treatments, particularly for prostate and spine cancers. Narayanasamy has published research evaluating the clinical impact of dose delivery consistency in prostate cancer radiotherapy, exploring the use of convolutional neural networks for detecting vertebral body misalignments in X-ray images, and assessing the utility of normal tissue complication probability methodologies for evaluating treatment side effects.
His publications also address the computational simulation of tumor control probability in fractionated radiation treatments and comparative dosimetric analyses of different treatment planning techniques for spine stereotactic body radiation therapy (SBRT). Narayanasamy collaborates with researchers at the University of Arkansas for Medical Sciences, including Faraz Kalantari, Forouh Kalantari, and Fen Xia, with whom he has co-authored multiple publications. His scholarship metrics include an h-index of 6, with 27 total publications and 150 total citations.
Metrics
- h-index: 6
- Publications: 27
- Citations: 158
Positions
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Assistant Professor 2015–presentUniversity of Arkansas for Medical Sciences Radiation Oncology ORCID
Selected Publications
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AAPM task group report 210: Conventional linear accelerator acceptance testing (2025)
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Producing high quality cranial SRS plans with 4Pi planning technique in a commercial clinical solution (2025)
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The effective normal tissue non-complication probability (E0): a probabilistic methodology in the representation of the stochastic health safety effects of low levels of ionizing radiation on the human tissues or organs (2025)
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Use of the Bayesian statistics and the product of probabilities in the ionizing radiation field (2024)
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Cleaning the dose falloff with low modulation in SBRT lung plans (2023)
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Development and multi‐institutional validation of a convolutional neural network to detect vertebral body mis‐alignments in 2D x‐ray setup images (2023)
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Use of the Bayesian statistics and the product of probabilities in the ionizing radiation field (2023)
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PO36 Presentation Time: 10:30 AM (2022)
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Evaluation of the clinical impact of the differences between planned and delivered dose in prostate cancer radiotherapy based on CT‐on‐rails IGRT and patient‐reported outcome scores (2022)
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The use of the normal tissue non-complication probability (NTCP0) in the safety evaluations as a new alternative of assessing the side-effects of the radiation oncology treatments (2022)
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A phantom-based study and clinical implementation of brainlab’s treatment planning system for radiosurgical treatments of arteriovenous malformations (2022)
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The use of the normal tissue non-complication probability (NTCP0) methodology as a new alternative of assessing side-effects in brachytherapy treatments (2022)
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A dosimetric comparative analysis of Brainlab elements and Eclipse RapidArc for spine SBRT treatment planning (2022)
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A treatment planning system with new paradigms in the effectiveness and side-effect evaluation sections (2021)
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Evaluation of the Dose Delivery Consistency and Its Dependence on Imaging Modality and Deformable Image Registration Algorithm in Prostate Cancer Patients (2021)
Collaboration Network
Top Collaborators
José Peñagarícano
University of Arkansas for Medical Sciences (US)
19 shared publications
- Robust optimization in lung treatment plans accounting for geometric uncertainty
- A dose falloff gradient study in RapidArc planning of lung stereotactic body radiation therapy
- Therapeutic benefits in grid irradiation on Tomotherapy for bulky, radiation-resistant tumors
- Technical Note: A planning technique to lower normal tissue toxicity in lung <scp>SBRT</scp> plans based on two likely dependent <scp>RTOG</scp> metrics
- Helical tomotherapy to LINAC plan conversion utilizing RayStation Fallback planning
Showing 5 of 19 shared publications
S Stathakis
The University of Texas at San Antonio Health Science Center (US)
12 shared publications
- Commissioning an Elekta Versa HD linear accelerator
- Dose calculation comparisons between three modern treatment planning systems
- A Systematic Analysis of 2 Monoisocentric Techniques for the Treatment of Multiple Brain Metastases
- Dosimetric validation of Monaco treatment planning system on an Elekta Versa<scp>HD</scp> linear accelerator
- A dosimetric comparison between volumetric-modulated arc therapy and dynamic conformal arc therapy in SBRT.
Showing 5 of 12 shared publications
Panayiotis Mavroidis
University of North Carolina at Chapel Hill (US)
10 shared publications
- Dose calculation comparisons between three modern treatment planning systems
- Clinical evaluation of a two-dimensional liquid-filled ion chamber detector array for verification of high modulation small fields in radiotherapy
- Evaluation and comparison of second-check monitor unit calculation software with Pinnacle 3 treatment planning system
- Dosimetric and radiobiological comparison for quality assurance of <scp>IMRT</scp> and <scp>VMAT</scp> plans
- Evaluation of the clinical impact of the differences between planned and delivered dose in prostate cancer radiotherapy based on CT‐on‐rails IGRT and patient‐reported outcome scores
Showing 5 of 10 shared publications
Steven Morrill
University of Arkansas for Medical Sciences
10 shared publications
In database
- Robust optimization in lung treatment plans accounting for geometric uncertainty
- Therapeutic benefits in grid irradiation on Tomotherapy for bulky, radiation-resistant tumors
- Technical Note: A planning technique to lower normal tissue toxicity in lung <scp>SBRT</scp> plans based on two likely dependent <scp>RTOG</scp> metrics
- Helical tomotherapy to LINAC plan conversion utilizing RayStation Fallback planning
- Dosimetric and radiobiological comparison for quality assurance of <scp>IMRT</scp> and <scp>VMAT</scp> plans
Showing 5 of 10 shared publications
Niko Papanikolaou
The University of Texas MD Anderson Cancer Center (US)
9 shared publications
- Commissioning an Elekta Versa HD linear accelerator
- Dose calculation comparisons between three modern treatment planning systems
- A Systematic Analysis of 2 Monoisocentric Techniques for the Treatment of Multiple Brain Metastases
- Dosimetric validation of Monaco treatment planning system on an Elekta Versa<scp>HD</scp> linear accelerator
- A dosimetric comparison between volumetric-modulated arc therapy and dynamic conformal arc therapy in SBRT.
Showing 5 of 9 shared publications
Sanjay Maraboyina
University of Arkansas for Medical Sciences
9 shared publications
In database
- Robust optimization in lung treatment plans accounting for geometric uncertainty
- A dose falloff gradient study in RapidArc planning of lung stereotactic body radiation therapy
- Therapeutic benefits in grid irradiation on Tomotherapy for bulky, radiation-resistant tumors
- Technical Note: A planning technique to lower normal tissue toxicity in lung <scp>SBRT</scp> plans based on two likely dependent <scp>RTOG</scp> metrics
- Helical tomotherapy to LINAC plan conversion utilizing RayStation Fallback planning
Showing 5 of 9 shared publications
Anil Pyakuryal
9 shared publications
- Dosimetric and radiobiological comparison for quality assurance of <scp>IMRT</scp> and <scp>VMAT</scp> plans
- The use of the normal tissue non-complication probability (NTCP0) methodology as a new alternative of assessing side-effects in brachytherapy treatments
- Physical and Radiobiological Evaluation of Accelerated Intensity Modulated Radiotherapy for Locally Advanced Head and Neck Cancer and Comparison with Short-Term Clinical Outcomes
- The use of the normal tissue non-complication probability (NTCP0) in the safety evaluations as a new alternative of assessing the side-effects of the radiation oncology treatments
- Computational simulator that calculates tumor control probability in a tumor heterogeneously irradiated for fractionated radiation oncology treatments
Showing 5 of 9 shared publications
Edvaldo Galhardo
University of Arkansas for Medical Sciences
7 shared publications
In database
- Robust optimization in lung treatment plans accounting for geometric uncertainty
- Technical Note: A planning technique to lower normal tissue toxicity in lung <scp>SBRT</scp> plans based on two likely dependent <scp>RTOG</scp> metrics
- Radiomic assessment of the progression of acoustic neuroma after gamma knife stereotactic radiosurgery
- Radiosurgery for mesial temporal lobe epilepsy following ROSE trial guidelines — A planning comparison between Gamma Knife, Eclipse, and Brainlab
- A dosimetric comparative analysis of Brainlab elements and Eclipse RapidArc for spine SBRT treatment planning
Showing 5 of 7 shared publications
S Morrill
University of Arkansas for Medical Sciences (US)
6 shared publications
- TU‐H‐BRC‐07: Therapeutic Benefit in Spatially Fractionated Radiotherapy (GRID) Using Helical Tomotherapy
- SU‐G‐TeP3‐11: Radiobiological‐Cum‐Dosimetric Quality Assurance of Complex Radiotherapy Plans
- SU‐F‐T‐401: Three‐Dimensional Conformal Planning Using Low‐Segment Multi‐Criteria Optimization for Hippocampal Avoidance Whole Brain Radiotherapy
- SU‐F‐T‐14: Dosimetric Impacts of Various Uncertainties in Cervical Cancer HDR Brachytherapy: Are Conventional Point Doses Good Surrogates for 3D Dosimetry?
- Total Body Irradiation Using Fixed-beam Tomotherapy in Patients With Width Larger Than 40cm
Showing 5 of 6 shared publications
Terman Frometa-Castillo
Ohio University (US)
6 shared publications
- The use of the normal tissue non-complication probability (NTCP0) methodology as a new alternative of assessing side-effects in brachytherapy treatments
- The use of the normal tissue non-complication probability (NTCP0) in the safety evaluations as a new alternative of assessing the side-effects of the radiation oncology treatments
- Computational simulator that calculates tumor control probability in a tumor heterogeneously irradiated for fractionated radiation oncology treatments
- The effective normal tissue non-complication probability (E0): a probabilistic methodology in the representation of the stochastic health safety effects of low levels of ionizing radiation on the human tissues or organs
- A treatment planning system with new paradigms in the effectiveness and side-effect evaluation sections
Showing 5 of 6 shared publications
Daniel Saenz
The University of Texas at San Antonio (US)
5 shared publications
- Commissioning an Elekta Versa HD linear accelerator
- Dosimetric validation of Monaco treatment planning system on an Elekta Versa<scp>HD</scp> linear accelerator
- Clinical evaluation of a two-dimensional liquid-filled ion chamber detector array for verification of high modulation small fields in radiotherapy
- Effect of electron contamination on <i>in vivo</i> dosimetry for lung block shielding during TBI
- Development and multi‐institutional validation of a convolutional neural network to detect vertebral body mis‐alignments in 2D x‐ray setup images
Nava Paudel
Williams (United States) (US)
5 shared publications
- Therapeutic benefits in grid irradiation on Tomotherapy for bulky, radiation-resistant tumors
- Helical tomotherapy to LINAC plan conversion utilizing RayStation Fallback planning
- Dosimetric and radiobiological comparison for quality assurance of <scp>IMRT</scp> and <scp>VMAT</scp> plans
- Study of Image Qualities From 6D Robot–Based CBCT Imaging System of Small Animal Irradiator
- Impact of jaw position on sparing organs at risk in 3-dimensional conformal radiation therapy of pancreatic cancer
Neil Kirby
The University of Texas MD Anderson Cancer Center (US)
5 shared publications
- Dose calculation comparisons between three modern treatment planning systems
- Comparison of different QA methods for deformable image registration to the known errors for prostate and head-and-neck virtual phantoms
- Evaluation and comparison of second-check monitor unit calculation software with Pinnacle 3 treatment planning system
- Effect of electron contamination on <i>in vivo</i> dosimetry for lung block shielding during TBI
- Incorporating biological modeling into patient‐specific plan verification
Robert J. Griffin
University of Arkansas for Medical Sciences
5 shared publications
In database
- Advanced Small Animal Conformal Radiation Therapy Device
- Simultaneous exposure to chronic irradiation and simulated microgravity differentially alters immune cell phenotype in mouse thymus and spleen
- Study of Image Qualities From 6D Robot–Based CBCT Imaging System of Small Animal Irradiator
- SU‐F‐T‐401: Three‐Dimensional Conformal Planning Using Low‐Segment Multi‐Criteria Optimization for Hippocampal Avoidance Whole Brain Radiotherapy
- Development of a chronic irradiation and simulated microgravity facility
D. Desai
Memorial Hospital (US)
5 shared publications
- A dose falloff gradient study in RapidArc planning of lung stereotactic body radiation therapy
- Cleaning the dose falloff in lung SBRT plan
- Technical Note: A planning technique to lower normal tissue toxicity in lung <scp>SBRT</scp> plans based on two likely dependent <scp>RTOG</scp> metrics
- SU-F-T-607: Study of Dose Falloff Slope in RapidArc Planning of Lung SBRT
- Cleaning up the dose spill in lung SBRT plans
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