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Medstar Georgetown University Hospital

Rank #123 · 8 unique linked submissions.

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Poster Poster Program
Dynamic Sequencing Optimization for Synchrocyclotron-Based Proton Arc Therapy

Spot-scanning proton arc (SPArc) therapy combines the physical advantages of proton therapy with continuous arc delivery. However, most current SPArc planning approaches assume static beam delivery and do not account for the synchrocyclotron-based proton ther...

Lewei Zhao, PhD
Therapy Physics
Poster Poster Program
Improving Proton Dose Delivery for Swelling HN Targets Via Range-Based Patient Setup

Proton head-and-neck (HN) patients often experience target volume changes. Our investigation of daily CBCTs showed the changes from swelling to shrinkage happening usually within one week. Offline adaptation takes about one week to create a replan and thus ve...

Dalong Pang, PhDWeiguang Yao, PhD
Therapy Physics
Poster Poster Program
LET-Dependent Rbe In the Skin of Breast Patients Treated with IMPT Vs 3DCRT

Breast patients treated with intensity-modulated proton therapy (IMPT) often experience more severe skin dose toxicity compared to those with photon 3DCRT. Here we quantitatively estimated the LET-dependent RBE (LET-RBE) vs clinically used constant RBE=1.1 fo...

Weiguang Yao, PhD
Therapy Physics
Poster Poster Program
Uncertainty of Skull Tracking for Cervical Spine Radiosurgery

ZAP-X is a self-shielded radiosurgery system featuring a compact gyroscopic gantry design with kV imaging for patient setup and tracking. Its well-engineered treatment table and treatment-planning system allow lesions located inferiorly to remain treatable. H...

Abdul Rashid, PhDEhsan GolkarYing Niu, PhDBinbin Wu, PhDMohammad Zarenia, PhDAmrit Kaphle, PhD
Therapy Physics