Saree Alnaghy

The University of Sydney, University of Wollongong

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About

Saree Alnaghy is a leading researcher in medical physics, specializing in real-time image-guided radiotherapy and quality assurance for cancer treatment. His work focuses on the dosimetric impact of complex tumor motion, particularly in prostate cancer radiotherapy. Alnaghy’s major contribution is the development and characterization of a six-degree-of-freedom (6DoF) robotic motion system, which precisely simulates both translational and rotational tumor movements—a significant advancement over traditional translational-only models. His most-cited paper, "A six-degree-of-freedom robotic motion system for quality assurance of real-time image-guided radiotherapy" (2019, 14 citations), establishes a novel platform for testing and validating radiotherapy delivery under realistic motion conditions. In subsequent work, he experimentally evaluated the dosimetric impact of intrafraction prostate rotation using film measurement with the 6DoF robotic arm, demonstrating how rotational motion can reduce target dose coverage and increase healthy tissue exposure. These contributions are critical for improving the accuracy and safety of stereotactic body radiotherapy and other advanced techniques. Alnaghy’s research bridges engineering and clinical physics, providing tools that enhance treatment precision and patient outcomes.