Impact of a novel multilayer imager on metal artifacts in MV-CBCT

TC Harris, M Jacobson, M Myronakis… - Physics in Medicine …, 2023 - iopscience.iop.org
Objective. Megavoltage cone-beam computed tomography (MV-CBCT) imaging offers
several advantages including reduced metal artifacts and accurate electron density mapping …

fastCAT: Fast cone beam CT (CBCT) simulation

J O'Connell, M Bazalova‐Carter - Medical Physics, 2021 - Wiley Online Library
Purpose To develop fastCAT, a fast cone‐beam computed tomography (CBCT) simulator.
fastCAT uses pre‐calculated Monte Carlo (MC) CBCT phantom‐specific scatter and detector …

Hybrid modality dual-energy imaging aggregating complementary advantages of kV-CT and MV-CBCT: concept proposal and clinical validation

J Qi, S Yu, Z Dong, J Liu, J Deng, G Mei… - Physics in Medicine …, 2024 - iopscience.iop.org
Objective. Megavoltage cone-beam CT (MV-CBCT) is advantageous in metal artifact
reduction during image-guided radiotherapy (IGRT), although it is limited by poor soft tissue …

Clinical translation of a new flat-panel detector for beam's-eye-view imaging

TC Harris, J Seco, D Ferguson… - Physics in Medicine …, 2020 - iopscience.iop.org
Electronic portal imaging devices (EPIDs) lend themselves to beams-eye view clinical
applications, such as tumor tracking, but are limited by low contrast and detective quantum …

A kV–MV approach to CBCT metal artifact reduction using multi-layer MV-CBCT

MW Jacobson, T Harris, M Myronakis… - Physics in Medicine …, 2024 - iopscience.iop.org
Objective. To demonstrate that complete cone beam CT (CBCT) scans from both MV-energy
and kV-energy LINAC sources can reduce metal artifacts in radiotherapy guidance, while …

Investigation of image quality of MV and kV CBCT with low‐Z beams and high DQE detector

J O'Connell, M Bazalova‐Carter - Medical Physics, 2022 - Wiley Online Library
Purpose To investigate cone beam computed tomography (CBCT) image quality using novel
combinations of kilovoltage (kV) and megavoltage (MV) beams and detector materials …

Developing Lower Cost Radiotherapy Solutions for Low and Middle Income Countries

J O'Connell - 2023 - dspace.library.uvic.ca
Radiotherapy research often focuses on state-of-the-art methods to provide small
improvements in the treatment of patients in high-income countries, while less focus is put …