How Small is Too Small? QA & QC for HyperArcTM SRS
Quality assurance for linear accelerator intracranial radiosurgery using the Varian HyperArcTMsystem will be discussed. Both mechanical and dosimetric QA will be reviewed, with particular emphasis on patient-specific dosimetry of targets as small as 3 mm. The experience at The University of Alabama at Birmingham will be presented.