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A member asked:
Radiology does a pet scan have a much better chance of picking up a central lung cancer if it was missed at ldct? thank you
A doctor has provided 1 answer
LDCT is a : noncontrast lung nodule screening study, and it is possible that small central lesions may not be visualized due to proximity to normal blood vessels or other structures. PET is extremely sensitive, but if a diagnostic contrast enhanced CT scan with thinner collimation and higher resolution is negative, probably unnecessary.
Answered 10/18/2016
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