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Clinical Impact Of Couch Top And Rails On Imrt And Arc Therapy, Kiley B. Pulliam
Clinical Impact Of Couch Top And Rails On Imrt And Arc Therapy, Kiley B. Pulliam
Dissertations & Theses (Open Access)
Purpose: To evaluate the clinical impact of the Varian Exact Couch on dose and volume coverage to targets and critical structures and tumor control probability (TCP) for 6-MV IMRT and Arc Therapy.
Methods: Five clinical prostate patients were planned with both, 6-MV 8-field IMRT and 6-MV 2-field RapidArc using the Eclipse treatment planning system (TPS). These plans neglected treatment couch attenuation, as is standard clinical practice. Dose distributions were then recalculated in Eclipse with the inclusion of the Varian Exact Couch (imaging couch top) and the rails in varying configurations. The changes in dose and coverage were evaluated using the …