Respiratory gating for liver tumors: use in dose escalation.

  title={Respiratory gating for liver tumors: use in dose escalation.},
  author={Raquel T Wagman and Ellen Yorke and E. Christina Ford and Philippe Giraud and Gikas S. Mageras and Bruce I Minsky and Kenneth E. Rosenzweig},
  journal={International journal of radiation oncology, biology, physics},
  volume={55 3},
PURPOSE To determine the clinical impact of the Varian Real-Time Position Monitor (RPM) respiratory gating system for treatment of liver tumors. METHODS AND MATERIALS Ten patients with liver tumors were selected for evaluation of this passive system, which tracks motion of reflective markers mounted on the abdomen with an infrared-sensitive camera. At simulation, a fluoroscopic movie, breathing trace, and CT scans synchronized at end-expiration (E-E) and end-inspiration were acquired in… CONTINUE READING
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