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Author profile
Cecilia FPM de Sousa, MD, MPH
Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine
Deformable Dose Accumulation Evaluation with Spatial Corrective Guidance Using Subregion Analysis
Modern radiation therapy increasingly requires deforming prior dose to new CT scans for re-irradiation. Current validation methods report whole-organ agreement but lack spatial specificity and corrective guidance. This study developed a subregion evaluation t...
Poster Program · Therapy Physics
One-Year Analysis of CT Airway Changes Following Thoracic Central SBRT
The absence of defined dose tolerances and the uncertainty in radiation sensitivity among airway subsegments highlight the need to evaluate imaging-based airway changes in patients receiving radiotherapy for central and ultracentral thoracic tumours. This stu...
Poster Program · Therapy Physics
Standardization of Lifetime Cumulative Dose Estimation for Re-Irradiated Patients Using Whole-Body Computational Phantoms
Accurate estimation of lifetime dose accumulation in patients undergoing re-irradiation therapy is essential for assessing long-term toxicity risks and evaluating the effectiveness of multiple radiotherapy (RT) courses. Currently, no standardized practice exi...
Poster Program · Therapy Physics