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Table 2 Activity distributions in normal liver tissue from the right 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) 12 ≤ m ≤ 62 63 ≤ m ≤ 125 128 ≤ m ≤ 391 12 ≤ m ≤ 391
m ¯ (mg) 39 82 240 120
n 22 20 20 62
Spheres ¯ /biopsy 510 740 2,200 1,200
A ¯ / m ¯ (Bq/mg) 670 450 470 480
CV 0.63 0.67 0.57 0.65
SK 0.27 2.8 1.7 1.2
  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.