Date of Award

7-2020

Degree Type

Project

Degree Name

Medical Dosimetry (M.S.)

Department

Diagnostic & Treatment Sciences

First Advisor

Lauren Rydquist

Academic Year

2019/2020

Abstract

The main purpose of this study was to determine if jaw tracking or non-jaw tracking is the superior technique for patients with multiple brain metastasis that are treated with Volumetric Modulated Radiation Therapy (VMAT) Stereotactic Radiosurgery (SRS). Doses to the organs at risk (OAR) and the target volumes were analyzed using the dose volume histogram (DVH) and dose statistics for each plan. The goal of this study included analyzing the dosimetric effect on the organs at risk and the normal tissue when using jaw tracking versus non jaw tracking. The pros and cons for each technique were identified as well as which situations were most positively or negatively affected using each technique.

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