Exact(3)
In such cases, additional CT-AC scans would be needed for accurate attenuation correction.
However, to determine the underlying pathophysiological substrate, histological investigation of lung biopsies or high resolution computer tomography scans would be needed, procedures that are not part of the routine assessment in clinical practice and thus were not available for this study [ 8, 19].
Clinical follow-up can also be used as a surrogate gold standard, but a considerable number of patients and time intervals as well as repeated PET/CT scans would be needed to fully account for all influencing confounding factors and coexisting abnormalities.
Similar(56)
Then, a time-consuming scan of the surgical bed would be needed.
Congress had estimated 3,000 screeners would be needed for scanning checked bags.
A consensual method to quantify pneumothorax would be needed to properly compare the performance studies using CT scan as the gold standard.
A third volume would be needed.
No more guano would be needed.
"We thought more would be needed".
Civilian administrators would be needed, too.
A large force would be needed.
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