Image fusion of real-time ultrasonography with computed tomography: factors affecting the registration error and motion of focal hepatic lesions
Factors affecting the registration error (RE) and motion of focal hepatic lesions (FHLs) in
image fusion of real-time ultrasonography (US) with computed tomography (CT) images
were prospectively assessed by focusing on respiratory movement and FHL location. Real-
time US and pre-acquired CT images at end-inspiration were fused with FHLs for 103
patients. Three-dimensional US data containing FHLs were obtained during end-
inspiratory/expiratory phases. Multivariate analysis revealed that diaphragm motion (p< …
image fusion of real-time ultrasonography (US) with computed tomography (CT) images
were prospectively assessed by focusing on respiratory movement and FHL location. Real-
time US and pre-acquired CT images at end-inspiration were fused with FHLs for 103
patients. Three-dimensional US data containing FHLs were obtained during end-
inspiratory/expiratory phases. Multivariate analysis revealed that diaphragm motion (p< …
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