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Table 3 Muscle/ON/SOV thickness values on CT and uptake on PET

From: Orbital positron emission tomography/computed tomography (PET/CT) imaging findings in graves ophthalmopathy

Structure CT (mm) PET (SUVmax)
  Average ± 2 SD Range Average ± 2 SD Range
MR 4.45 ± 1.74 2.4-9.5 3.52 ± 1.44 2.07-4.96
SR 5.07 ± 1.94 2.6-10 3.36 ± 1.23 2.13-4.59
LR 3.44 ± 0.93\ 2-5.9 3.04 ± 1.55 1.49-4.58
IR 5.13 ± 1.72 2-9.5 3.50 ± 1.71 1.80-5.21
SO 3.11 ± 0.85 2-5.5 3.63 ± 1.23 2.40-4.86
IO 4.10 ± 1.26 2.6-6.8 2.59 ± 1.48 1.11-4.08
ON 4.08 ± 0.93 2.4-6.5 1.62 ± 0.48 1.14-2.10
SOV 1.96 ± 0.59 1-3.1 0 0
  1. CT Computed Tomography, PET Positron Emission Tomography, SD Standard Deviation, mm millimeters, SUV max maximum Standardized Uptake Value, MR Medial Rectus, SR Superior Rectus, LR Lateral Rectus, IR Inferior Rectus, SO Superior Oblique, IO Inferior Oblique, ON Optic Nerve, SOV Superior Ophthalmic Vein.