Modelling the physics in the iterative reconstruction for transmission computed tomography

J Nuyts, B De Man, JA Fessler… - Physics in Medicine …, 2013 - iopscience.iop.org
There is an increasing interest in iterative reconstruction (IR) as a key tool to improve quality
and increase applicability of x-ray CT imaging. IR has the ability to significantly reduce …

Dedicated breast computed tomography: basic aspects

A Sarno, G Mettivier, P Russo - Medical physics, 2015 - Wiley Online Library
X‐ray mammography of the compressed breast is well recognized as the “gold standard” for
early detection of breast cancer, but its performance is not ideal. One limitation of screening …

Deep learning for x‐ray scatter correction in dedicated breast CT

JJ Pautasso, M Caballo, M Mikerov, JM Boone… - Medical …, 2023 - Wiley Online Library
Background Accurate correction of x‐ray scatter in dedicated breast computed tomography
(bCT) imaging may result in improved visual interpretation and is crucial to achieve …

Comparison of the diagnostic efficiency for breast cancer in Chinese women using mammography, ultrasound, MRI, and different combinations of these imaging …

H Shao, B Li, X Zhang, Z Xiong, Y Liu… - Journal of X-ray …, 2013 - content.iospress.com
To compare the respective diagnostic efficiency for breast cancer in Chinese women with x-
ray mammography (XRM), ultrasound (US), magnetic resonance imaging (MRI; standard …

X‐ray scatter correction for dedicated cone beam breast CT using a forward‐projection model

L Shi, S Vedantham, A Karellas, L Zhu - Medical physics, 2017 - Wiley Online Library
Purpose The quality of dedicated cone‐beam breast CT (CBBCT) imaging is fundamentally
limited by x‐ray scatter contamination due to the large irradiation volume. In this paper, we …

Development of a patient-specific two-compartment anthropomorphic breast phantom

ND Prionas, GW Burkett, SE McKenney… - Physics in Medicine …, 2012 - iopscience.iop.org
The purpose of this paper is to develop a technique for the construction of a two-
compartment anthropomorphic breast phantom specific to an individual patient's pendant …

The role of off‐focus radiation in scatter correction for dedicated cone beam breast CT

L Shi, S Vedantham, A Karellas, L Zhu - Medical physics, 2018 - Wiley Online Library
Purpose Dedicated cone beam breast CT (CBBCT) suffers from x‐ray scatter contamination.
We aim to identify the source of the significant difference between the scatter distributions …

A general method for cupping artifact correction of cone-beam breast computed tomography images

X Qu, CJ Lai, Y Zhong, Y Yi, CC Shaw - International journal of computer …, 2016 - Springer
Purpose Cone-beam breast computed tomography (CBBCT), a promising breast cancer
diagnostic technique, has been under investigation for the past decade. However, owing to …

Scatter point models for breast cone-beam computed tomography: preliminary study

C Laamanen, RJ LeClair - Biomedical Physics & Engineering …, 2016 - iopscience.iop.org
Simulations with a single scatter point per incident beamlet (SSP) model applied to
homogeneous phantoms could provide scatter signals that can be subtracted from cone …

Potential use of a single scatter model in breast CBCT applications

C Laamanen, RJ LeClair - Medical Imaging 2014: Physics of …, 2014 - spiedigitallibrary.org
A model based on singly scattered photons could potentially be of use to correct for scatter
effects in breast CBCT applications. Consider a simple phantom consisting of a 14 cm …