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Author profile
Rachel B. Ger, PhD, BS
Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine
Image Registration and Dose Summation for Proton Reirradiation
Therapy Physics
Invited Program · Therapy Physics
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
Mechanistical Modeling of Radiation Response of Parotid In Head and Neck Cancer Radiotherapy
Radiotherapy (RT) for head and neck (HN) cancer frequently induces xerostomia due to radiation‑mediated parotid gland damage. Mechanistic modeling of parotid response may improve understanding of toxicity development and enable more biologically informed pred...
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
Subregional Parotid Dose Predictors of Xerostomia In Head and Neck Cancer
Radiation induced xerostomia is a common adverse sequela among head and neck cancer (HNC) patients with ~45,000 new cases treated with radiation in the US annually. Current guidelines focus on sparing the mean dose to the parotid glands to reduce xerostomia....
Proffered Program · Therapy Physics