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Table 5 Activity distributions in normal liver tissue adjacent to 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) 5 ≤ m ≤ 14 16 ≤ m ≤ 41 43 ≤ m ≤ 102 5 ≤ m ≤ 102
m ¯ (mg) 10 27 69 35
n 26 24 25 75
Spheres ¯ /biopsy 380 920 2,300 1,200
A ¯ / m ¯ (Bq/mg) 1,900 1,700 1,700 1,700
CV 0.81 0.58 0.45 0.64
SK 1.8 1.2 0.69 1.9
  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.