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Results for "flatbed scanners": 7 found

An Efficient, Low-Cost, and Accessible Film Dosimetry Scanning System

Authors: Parminder S. Basran, Wyatt Flanders, Skylar Sylvester

Affiliation: Cornell University

Abstract Preview: Purpose: To develop a reliable, efficient, and low-cost methodology for quantifying radiation doses using radiochromic film and a custom-built lightbox and to evaluate the system's performance compare...

Assessing the Feasibility of LD-V1 Film for Annual Kilovoltage Imaging Dose Measurements

Authors: Maria F. Chan, Seng Boh Gary Lim, Shih-Chi Lin, Dustin W. Lynch, Usman Mahmood, Jeonghoon Park

Affiliation: Department of Medical Physics, Memorial Sloan Kettering Cancer Center

Abstract Preview: Purpose: To explore the feasibility of using GafChromic LD-V1 film for annual imaging dose assessment across kV radiography, fluoroscopy, and cone beam computed tomography (CBCT) imaging protocols, as...

Design and Use of a Modified Commercial Phantom for Gamma Knife End-to-End Testing

Authors: Edward A. Opalko, Matthew B. Podgorsak, Dheerendra Prasad

Affiliation: Roswell Park Comprehensive Cancer Center

Abstract Preview: Purpose: To design a 3D printed insert for Varian’s SRS Head Phantom that allows for multi-planar film dosimetry and to evaluate its ability in end-to-end testing for Gamma Knife treatments.
Method...

Film-Based Method for Accurate Radiation Isocenter Determination in Linear Accelerators Using 3D Starshot

Authors: Robert A. Corns, Mohammad Kanber

Affiliation: East Carolina University, East Carolina University Brody School of Medicine

Abstract Preview: Purpose:
Accurate determination of the radiation isocenter is crucial for precise radiotherapy treatments, directly impacting patient safety and treatment quality. This study presents a computation...

LD-V1 Film Characterization for MV Beam Quality

Authors: Ruiming Chen Edmondson, Darwin Abraham Garcia, James A. Kavanaugh, Joseph John Lucido

Affiliation: Mayo Clinic

Abstract Preview: Purpose: Characterize the dose response and reproducibility of a low-dose film for 6 MV photon beam and assess the film’s energy dependence between kV and MV energies.
Methods: A single 8’x10’ LD-V...

Quantitative Analysis of Long-Term Optical Density Variations of Irradiated and Un-Irradiated EBT3 Films

Authors: Rick Holly, Sumudu Katugampola

Affiliation: Gesinger Medical Center, Geisinger Medical Center

Abstract Preview: Purpose:
To quantitatively analyze long term variations in optical density of un-irradiated and irradiated EBT3 radio-chromic films and their effects on dose calibration curves in a clinical settin...

Radiological Assessment of Radiochromic Film Models EBT3 and EBT4 in Proton Beams

Authors: Kuan Ling Chen, Jiajin Fan, Rao Khan, Robabeh Rahimi

Affiliation: University of Maryland, Inova Schar Cancer Institute, Howard University

Abstract Preview: Purpose: This study evaluates the dose response, energy dependency, sensitivity, reproducibility, temporal response, and LET dependency along and in the plane perpendicular to a clinical proton beam f...