… artifacts in PET/CT images of patients with lung tumors using … for lung radiation treatments
efficiently reduces motion … In this study, we demonstrated respiratory motion correction in PET/…

… However, PET/CT imaging of the lung and abdomen region is generally affected by patient
… To investigate the tumor volume change in motion-blurred PET images, we used two …

… proposed for deriving the motion field directly from the PET images. Similar to … , lung tissue
was either masked out to avoid introducing bias in the adjacent regions 80 or the lung motion …

… tween the lung and soft tissue, such as the liver-lung interface.… , PET/CT shows great promise
for cardiac imaging. However, … be a respiratory motion mismatch between the PET data and …

… motion artifacts and PVE in lung/thoracic PET/CT imaging. In PET/CT imaging, PET images
are usually much more blurred when compared to the corresponding CT images. This …

… For example, upper areas of the lungs are less subject to motion … Inversely, PET images of
a moving uptake represent motion … , respiratory motion CT artifacts, and/or blurred PET images …

… Using a previously reported level-set method (18) to segment target organs (subjects 1–7,
myocardium; subjects 8–11, pancreas; subject 12, tumor in lung) from gated images, we …

… was acquired at the end-expiration phase, the CTAC-based image shows the banana
artifact at the lung–liver and lung–spleen interfaces (black arrow) because of the mismatch …

… The objectives of the study were: (1) to correct for respiratory motion artifacts in PET
imaging; and (2) to match PET and CT phases for the purpose of improving the local co-registration …

… , and its dependence upon CT attenuation at different phases of the motion cycle. To …
determined from PET/CT images of a lung phantom at rest and under simulated respiratory motion. …