18F-FDG PET/CT lung focalities without coregistered CT findings: an interpretative clinical dilemma.
Focal lung uptake of FDG without anatomic correlate is very rare (1.5 cases/1000 PET scans). Respiratory gating can improve scan interpretation, avoiding erroneous reports or further imaging procedures. (Nucl Med Commun. 2015 Feb 5. .)