Development of a TOPAS Monte Carlo (MC) model extension to simulate the automatic exposure control function of a C-arm CBCT

N McWilliams, J Perl, J McCavana, S Cournane… - Physica Medica, 2024 - Elsevier
Purpose Accurate simulation of organ doses in C-arm CBCT is critical for estimating
personalised patient dosimetry. However, system complexities such as automatic exposure …

[HTML][HTML] A new cone-beam computed tomography dosimetry method providing optimal measurement positions: a Monte Carlo study

T Haba, K Yasui, Y Saito, M Kobayashi, S Koyama - Physica Medica, 2021 - Elsevier
Purpose The conventional weighted computed tomography dose index (CTDI w) may not be
suitable for cone-beam computed tomography (CBCT) dosimetry because a cross-sectional …

New weighting factor of weighted CTDI equation for PMMA phantom diameter from 8 to 40 cm: A Monte Carlo study

T Haba, S Koyama, Y Kinomura, Y Ida… - Medical …, 2017 - Wiley Online Library
Purpose The weighted computed tomography dose index (CTDI w) uses measured CTDI
values at the center and periphery of a cylindrical phantom. The CTDIw value is calculated …