Skip to main content

Table 2 Iodine concentration measurements for all concentrations (mg/mL) and phantom sizes

From: Quantitative benchmarking of iodine imaging for two CT spectral imaging technologies: a phantom study

  General Electric Revolution Siemens Somatom Drive
Solution Small Medium Large Small Medium Large
Water -0.2 -0.1 -0.9 0.1 0.2 0.3
Saline -0.2 -0.6 -0.7 0.4 0.2 0.3
Iodine 10 mg/mL 10.3 (3.0) 10.7 (7.0) 10.9 (9.0) 11.2 (12.0) 11.1 (11.0) 11.2 (12.0)
Iodine 20 mg/mL 20.6 (3.0) 21.0 (5.0) 21.7 (8.5) 21.8 (9.0) 21.6 (8.0) 22.2 (11.0)
Iodine 30 mg/mL 30.8 (2.7) 31.5 (5.0) 32.4 (8.0) 31.7 (5.7) 31.8 (6.0) 32.2 (7.3)
Iodine 50 mg/mL 51.4 (2.8) 52.8 (5.0) 52.2 (4.4) 51.0 (2.0) 51.0 (2.0) 52.0 (4.0)
Iodine 100 mg/mL 101.8 (1.8) 104.0 (4.0) 103.1 (3.1) 66.2 (-33.8) 73.2 (-26.8) 76.6 (-23.4)
  1. Percentage difference between known and measured iodine concentration in parentheses
  2. CTDIvol Volumetric computed tomography dose index