Fig. 3From: Optimal clinical protocols for total-body 18F-FDG PET/CT examination under different activity administration plansContrast-to-noise ratio (CNR) map as a function of both factors—acquisition time and iterations at different estimated injected dose. The dark area represents the corresponding BV value that is more than 15%. The CNR values that excessed 5.0 were considered as acceptable for diagnosisBack to article page