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Table 4 Activity distributions in normal liver tissue far away from the tumour of Pt 2

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

  Small mass Medium mass Large mass All
Mass (mg) 6 ≤ m ≤ 14 15 ≤ m ≤ 39 40 ≤ m ≤ 91 6 ≤ m ≤ 91
m ¯ (mg) 10 27 66 35
n 29 26 29 84
Spheres ¯ /biopsy 300 590 1,200 740
A ¯ / m ¯ (Bq/mg) 1,500 1,100 900 1,000
CV 1.4 1.0 0.63 1.3
SK 3.0 1.8 0.82 4.0
  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.