PET/CT artifacts.
There are several artifacts encountered in positron emission tomography/computed tomographic (PET/CT) imaging, including attenuation correction (AC) artifacts associated with using CT for AC. Several artifacts can mimic a 2-deoxy-2-[18F] fluoro-d-glucose (FDG) avid malignant lesions and therefore recognition of these artifacts is clinically relevant. Our goal was to identify and characterize these artifacts and also discuss some protocol variables that may affect image quality in PET/CT.
Department of Radiology, University of Pittsburgh, PA, USA. toddblodgett@yahoo.com
Todd M
TM
Blodgett
Ajeet S
AS
Mehta
Amar S
AS
Mehta
Charles M
CM
Laymon
Jonathan
J
Carney
David W
DW
Townsend
D016477:Artifacts; D019788:Fluorodeoxyglucose F18; D007089:Image Enhancement / Q000379:methods*; D049268:Positron-Emission Tomography / Q000379:methods*; D019736:Prostheses and Implants; D019275:Radiopharmaceuticals; D013382:Subtraction Technique; D014057:Tomography, X-Ray Computed / Q000379:methods*
D019275:Radiopharmaceuticals; D019788:Fluorodeoxyglucose F18
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