Investigation of four-dimensional computed tomography-based pulmonary ventilation imaging in patients with emphysematous lung regions

T Yamamoto, S Kabus, T Klinder… - Physics in Medicine …, 2011 - iopscience.iop.org
A pulmonary ventilation imaging technique based on four-dimensional (4D) computed
tomography (CT) has advantages over existing techniques. However, physiologically …

Four‐dimensional computed tomography pulmonary ventilation images vary with deformable image registration algorithms and metrics

T Yamamoto, S Kabus, T Klinder, J von Berg… - Medical …, 2011 - Wiley Online Library
Purpose: A novel pulmonary ventilation imaging technique based on four‐dimensional (4D)
CT has advantages over existing techniques and could be used for functional avoidance in …

Reproducibility of intensity‐based estimates of lung ventilation

K Du, JE Bayouth, K Ding, GE Christensen… - Medical …, 2013 - Wiley Online Library
Purpose: Lung function depends on lung expansion and contraction during the respiratory
cycle. Respiratory‐gated CT imaging and image registration can be used to estimate the …

Ventilation from four-dimensional computed tomography: density versus Jacobian methods

R Castillo, E Castillo, J Martinez… - Physics in Medicine & …, 2010 - iopscience.iop.org
Two calculation methods to produce ventilation images from four-dimensional computed
tomography (4DCT) acquired without added contrast have been reported. We reported a …

Reproducibility of registration‐based measures of lung tissue expansion

K Du, JE Bayouth, K Cao, GE Christensen… - Medical …, 2012 - Wiley Online Library
Purpose: Lung function depends on lung expansion and contraction during the respiratory
cycle. Respiratory‐gated CT imaging and 3D image registration can be used to locally …

[HTML][HTML] CT-derived 3D-diaphragm motion in emphysema and IPF compared to normal subjects

JH Kang, J Choi, KJ Chae, KM Shin, CH Lee, J Guo… - Scientific reports, 2021 - nature.com
Image registration-based local displacement analysis enables evaluation of respiratory
motion between two computed tomography-captured lung volumes. The objective of this …

Evaluating the accuracy of 4D‐CT ventilation imaging: first comparison with Technegas SPECT ventilation

F Hegi‐Johnson, P Keall, J Barber, C Bui… - Medical …, 2017 - Wiley Online Library
Purpose Computed tomography ventilation imaging (CTVI) is a highly accessible functional
lung imaging modality that can unlock the potential for functional avoidance in lung cancer …

[HTML][HTML] The numerical stability of transformation-based CT ventilation

E Castillo, R Castillo, Y Vinogradskiy… - International journal of …, 2017 - Springer
Computed tomography (CT)-derived ventilation imaging utilizes deformable image
registration (DIR) to recover respiratory-induced tissue volume changes from inhale/exhale …

CT quantification of pulmonary emphysema: assessment of lung structure and function

AA Bankier, A Madani, PA Gevenois - Critical reviews in computed …, 2002 - Taylor & Francis
Accurate diagnosis and quantification of pulmonary emphysema in vivo is important to
understand the natural history of the disease, to assess the extent of the disease, and to …

Reproducibility of four-dimensional computed tomography-based lung ventilation imaging

T Yamamoto, S Kabus, J Von Berg, C Lorenz… - Academic radiology, 2012 - Elsevier
RATIONALE AND OBJECTIVES: A novel ventilation imaging method based on four-
dimensional (4D) computed tomography (CT) has been applied to the field of radiation …