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Table 5 Image quality results for a TBR of 4:1

From: Initial evaluation of the Celesteion large-bore PET/CT scanner in accordance with the NEMA NU2-2012 standard and the Japanese guideline for oncology FDG PET/CT data acquisition protocol version 2.0

Sphere diameter (mm) Contrast recovery Background variability
10 27.9 6.2
13 48.6 5.3
17 52.0 4.6
22 60.5 4.1
28 72.9 3.9
37 77.1 3.8
  1. The average residual value in the lung was 5.0%