Patient‐specific finite element modeling of respiratory lung motion using 4D CT image data

R Werner, J Ehrhardt, R Schmidt, H Handels - Medical physics, 2009 - Wiley Online Library
Development and optimization of methods for adequately accounting for respiratory motion
in radiation therapy of thoracic tumors require detailed knowledge of respiratory dynamics …

A real-time predictive simulation of abdominal viscera positions during quiet free breathing

A Hostettler, SA Nicolau, Y Rémond… - Progress in biophysics …, 2010 - Elsevier
Prediction of abdominal viscera and tumour positions during free breathing is a major
challenge from which several medical applications could benefit. For instance, in …

Contact surface and material nonlinearity modeling of human lungs

A Al-Mayah, J Moseley, KK Brock - Physics in Medicine & Biology, 2007 - iopscience.iop.org
A finite element model has been developed to investigate the effect of contact surfaces and
hyperelastic material properties on the mechanical behavior of human lungs of one lung …

A hybrid patient-specific biomechanical model based image registration method for the motion estimation of lungs

L Han, H Dong, JR McClelland, L Han, DJ Hawkes… - Medical image …, 2017 - Elsevier
This paper presents a new hybrid biomechanical model-based non-rigid image registration
method for lung motion estimation. In the proposed method, a patient-specific biomechanical …

Predictive modeling of lung motion over the entire respiratory cycle using measured pressure‐volume data, 4DCT images, and finite‐element analysis

J Eom, XG Xu, S De, C Shi - Medical physics, 2010 - Wiley Online Library
Purpose: Predicting complex patterns of respiration can benefit the management of the
respiratory motion for radiation therapy of lung cancer. The purpose of the present work was …

Toward efficient biomechanical-based deformable image registration of lungs for image-guided radiotherapy

A Al-Mayah, J Moseley, M Velec… - Physics in Medicine & …, 2011 - iopscience.iop.org
Both accuracy and efficiency are critical for the implementation of biomechanical model-
based deformable registration in clinical practice. The focus of this investigation is to …

Sliding characteristic and material compressibility of human lung: Parametric study and verification

A Al‐Mayah, J Moseley, M Velec, KK Brock - Medical physics, 2009 - Wiley Online Library
Purpose: To find and verify the optimum sliding characteristics and material compressibility
that provide the minimum error in deformable image registration of the lungs. Methods: A …

Development and CT image‐domain validation of a computational lung lesion model for use in virtual imaging trials

TJ Sauer, A Bejan, P Segars, E Samei - Medical physics, 2023 - Wiley Online Library
Purpose Computational abnormalities (eg, lesion models) for use in medical imaging
simulation studies are frequently generated using data collected from clinical images …

FEMOSSA: Patient‐specific finite element simulation of the prostate–rectum spacer placement, a predictive model for prostate cancer radiotherapy

H Hooshangnejad, S Youssefian, JK Guest… - Medical …, 2021 - Wiley Online Library
Purpose Major advances in delivery systems in recent years have turned radiotherapy (RT)
into a more effective way to manage prostate cancer. Still, adjacency of organs at risk …

Patient-specific biomechanical model for the prediction of lung motion from 4-D CT images

B Fuerst, T Mansi, F Carnis, M Sälzle… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
This paper presents an approach to predict the deformation of the lungs and surrounding
organs during respiration. The framework incorporates a computational model of the …