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Full-Text Articles in Radiology
Dosimetric Effect When Treating Multiple Lesion Srs Using Vmat With And Without Jaw Tracking, Mindy Bui
Dosimetric Effect When Treating Multiple Lesion Srs Using Vmat With And Without Jaw Tracking, Mindy Bui
Culminating Experience Projects
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 …
Analysis Of Ptv Margins For Vmat Treatment Of Rectal Cancers Utilizing Prone Bellyboard Device., Ben Armbuster
Analysis Of Ptv Margins For Vmat Treatment Of Rectal Cancers Utilizing Prone Bellyboard Device., Ben Armbuster
Culminating Experience Projects
Utilization of a bellyboard device reduces small bowel dose for patients receiving radiation therapy for rectal cancer. The reduction of small bowel dose with the bellyboard is even more significant in intensity modulated radiation therapy rectal treatments, as opposed to conventional 3D treatments. However, there is evidence of increased setup variation with prone bellyboard positioning, especially in pitch and roll. The purpose of this study is to determine the margin needed between the clinical target volume and the planning target volume to adequately account for these setup variations when planning volumetric modulated arc therapy rectal cases utilizing the bellyboard device. …