Author profile
Department of Radiation Medicine, MedStar Georgetown University Hospital
Electron beam therapy has been used for treating shallow tumors such as skin cancers and postoperative keloids because of its favorable surface‑dose characteristics and simple clinical workflow. These treatments are often delivered with a single field and vis...
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...
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...
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...