Nuclear Medicine
Findings from University of Ottawa, Heart Institute broaden understanding of nuclear medicine
Published in Cardiovascular Week, August 30th, 2010
Researchers detail in 'Single-phase CT aligned to gated PET for respiratory motion correction in cardiac PET/CT,' new data in nuclear medicine. "Respiratory motion can induce artifacts in cardiac PET/CT because of the misregistration of the CT attenuation map and emission data. Some solutions to the respiratory motion problem use 4-dimensional CT, but this increases patient radiation exposure," scientists writing in the Journal of Nuclear Medicine report.
"Realignment of 3-dimensional CT and PET images can remove apparent uptake defects caused by mispositioning of the PET emission data into the lung regions on the CT scan. This realignment is typically done as...
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Source: Cardiovascular Week (2010-08-30)
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