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Results for "testing methodology": 4 found

Development and Clinical Validation of a Tissue Maximum Ratio (TMR)-Based Monitor Units Second Check Script for Dynamic Conformal-Based Hyperarc Brain Radiosurgery Plans Via Scatter Correction Factors

Authors: Jacob Gooslin, Ellis Lee Johnson, Damodar Pokhrel

Affiliation: University of Kentucky, Department of Radiation Medicine, University of Kentucky, University of Kentucky, Radiation Medicine

Abstract Preview: Purpose: HyperArc radiosurgery permits treatment of multiple brain lesions using a single-isocenter improving treatment planning efficiency and workflow. A key stereotactic planning aspect is an indep...

HyperArcTM Automated Radiosurgery Planning Enables Accurate a Priori Isotoxic Prescription Dose Selection

Authors: Rex A. Cardan, Carlos E. Cardenas, John B Fiveash, Joel A. Pogue, Richard A. Popple, Farnaz Rahim Li, Rodney J. Sullivan, Natalie N. Viscariello, Christopher Willey

Affiliation: The University of Alabama at Birmingham, University of Alabama at Birmingham

Abstract Preview: Purpose: vBrain radiosurgery toxicity-rate is estimated via clinically-relevant isodose volume (IDV) thresholds according to HyTEC (e.g., V12Gyโ‰ค10cc). HyperArcTM (HA) automated planning allows accurat...

Multi-Institutional Evaluation of Radiographic Automatic Exposure Control Performance Testing: Methodology, Outcomes, and Failure Rates

Authors: Caroline Cheney, Nicole M. Lafata, Zaiyang Long, Dustin W. Lynch, Erin B. Macdonald, Andy Madore, Douglas E. Pfeiffer, Colin Schaeffer, Alexander W. Scott

Affiliation: Department of Medical Physics, Memorial Sloan Kettering Cancer Center, UVA Health, Duke University Health System, Mayo Clinic, Henry Ford Health, Boulder Community Health, Varian, Cedars-Sinai Medical Center

Abstract Preview: Purpose: This work evaluates the significance of performing established radiography automatic exposure control (AEC) tests by comparing testing methodology, outcomes, and failure rates across multiple...

Synthetic Spheres: Ultrasound Image Quality Assessment with a Uniform Phantom

Authors: Ted Lynch

Affiliation: Sun Nuclear, a Mirion Medical Company

Abstract Preview: Purpose: A novel ultrasound quality assurance method is presented that constructs โ€œsynthetic spheresโ€ at arbitrary locations within the image frame by combining correlation length measurements from a ...