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Table 2 Comparison between benign and malignant thyroid lesions incidentally detected on 18F-FDG PET/CT.*

From: Incidental thyroid lesions detected by FDG-PET/CT: prevalence and risk of thyroid cancer

  Benign (n = 76) Malignant (n = 23) P value
Age 54.24 ± 9.79 52.73 ± 10.31 0.527
Sex    
   Male 12 6 0.354
   Female 64 17  
Size by US† 1.81 ± 1.08 1.54 ± 0.90 0.289
Mean SUVmax. 3.35 6.64 <0.001
Pattern of FDG uptake    
   Focal FDG uptake 47 21 0.009
   Diffuse FDG uptake 29 2  
  1. US; Ultrasonography
  2. SUVmax; Maximum standardized uptake value
  3. FDG; fluorodeoxyglucose (FDG)
  4. * 99 patients underwent further diagnostic confirmation