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Baozhou Sun
Baylor College of Medicine
Assessment of CBCT Post-Processing Algorithms for Head and Neck Adaptive Radiotherapy: A Cautionary Note on Dosimetric and Anatomical Accuracy
To evaluate the dosimetric and anatomical accuracy of RayStation-generated corrected cone-beam CT (cCBCT) and virtual CT (vCT) for adaptive radiotherapy (ART) in head and neck (H&N) cancer patients with significant anatomical change.
Poster Program · Therapy Physics
A Universal TPS Beam Model for Varian Truebeam SRS Treatment out-Performs Local Center-Specific Beam Models
Treatment planning system (TPS) beam modelling is identified as the largest cause of independent dosimetry audit failure. This study aims to develop and validate a universal beam model (UBM) specific to single-iso multi-target (SIMT) stereotactic radiosurgery...
Poster Program · Therapy Physics
Blinded Multi-Rater Evaluation of Automated Brain Metastasis Segmentation Using a Hybrid Foundation-Model Framework
Accurate segmentation of brain metastases (BM) is essential for stereotactic radiosurgery planning and longitudinal assessment, yet manual contouring is time-consuming and subject to substantial inter-observer variability. We developed TUM-SAM, a hybrid found...
Poster Program · Therapy Physics
Dosimetric Comparison of High Dose Rate Interstitial Brachytherapy and Stereotactic Body Radiotherapy As Alternative Treatment Methods for Advanced-Stage Cervical Cancer
High-dose-rate interstitial brachytherapy (HDR-IBT) is an essential component of curative treatment for locally advanced cervical cancer (LACC), but it is invasive and resource-intensive. Alternative boost techniques are needed when brachytherapy is not feasi...
Poster Program · Therapy Physics
Dosimetric Impact of Interfractional Anatomical Changes In Syed HDR Brachytherapy: Is Adaptive Planning Required for Every Fraction?
To quantify the dosimetric impact of interfractional anatomical changes in Syed-based high-dose-rate (HDR) interstitial brachytherapy for locally advanced cervical cancer by comparing a single-plan (non-adaptive) versus multi-planned adaptive strategy.
Poster Program · Therapy Physics
A Multi-Institutional Model for EPID-Based 3D Dose Reconstruction in a Virtual Spherical Phantom for Benchmarking and Remote Auditing of Stereotactic Radiosurgery
For single-isocenter multi-target (SIMT) stereotactic radiosurgery (SRS), benchmarking, auditing and inter-institutional standardization of dose delivery remains challenging as it requires specialized equipment and expertise. Electronic portal imaging devices...
Proffered Program · Therapy Physics