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Table 1 Activity distributions in normal liver tissue from the left lobe of Pt 1

From: Heterogeneity of microsphere distribution in resected liver and tumour tissue following selective intrahepatic radiotherapy

  Small mass Medium mass Large mass All
Mass (mg) 8 ≤ m ≤ 41 47 ≤ m ≤ 76 80 ≤ m ≤ 422 8 ≤ m ≤ 422
m ¯ (mg) 20 63 210 100
n 11 11 12 34
Spheres ¯ /biopsy 1,200 3,300 9,200 4,400
A ¯ / m ¯ (Bq/mg) 3,100 2,600 2,200 2,200
CV 0.45 0.46 0.41 0.46
SK −0.35 −0.52 −0.12 0.058
  1. CV, coefficient of variation; m ¯ , mean mass of n tissue biopsies; Spheres ¯ /biopsy, average number of spheres per biopsy; A ¯ / m ¯ , mean activity concentration; SK, skew of the distribution.