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Table 5 Attenuation values of different solid renal lesions (n = 99) at various post contrast phases

From: Role of multidetector ct in quantitative enhancement- washout analysis of solid renal masses

Pattern of enhancement Attenuation value Attenuation (HU)   
   CMP NP EP
Wash out pattern (n = 54) CCRCC (N = 16) 151.9 ± 20.4 100.9 ± 15.15 66.9 ± 15.2
  Oncocytoma (N = 13) 137.6 ± 19.15 113.3 ± 17.75 84.6 ± 14.7
  RCC unclassified (n = 10) 89.06 ± 18.1 74.8 ± 14.2 56.4 ± 18.8
  CHRCC (n = 15) 123.6 ± 16.6 93.6 ± 17.8 59.7 ± 8.9
Prolonged enhancement pattern (n = 45) PRCC (N = 14) 59.9 ± 4.8 69.5 ± 21.7 54.4 ± 15.6
  Lipid poor AML (n = 10) 79.2 ± 13.6 72.4 ± 12.07 60.03 ± 6.5
  Metanephric adenoma (n = 10) 57.1 ± 17.4 91.2 ± 11.5 62.25 ± 11.6
  Xp11 RCC (11) 91.05 ± 21.2 100.7 ± 22.3 80.5 ± 20.02