Table 3.

Imaging protocols in PET/CT-current practice

Protocol	No. of centers
Non-contrast-enhanced CT (non-CECT) with nondiagnostic low-mA scan (80–110 mAs)	7
Non-CECT with low-mA scan (2.5 mAs)	4
Non-CECT with nondiagnostic low-mA scan (110 mAs) followed by regional diagnos tic CECT	3
CECT (venous phase) whole-body	10
CECT with early-phase liver, breath-hold CT at end of study	1
Non-CECT (110 mAs) with breath-hold CT of thorax	1
CECT (regional) for RT planning	5