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Table 6 Activity distributions in tumour tissue 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 ≤ 11 12 ≤ m ≤ 37 38 ≤ m ≤ 95 5 ≤ m ≤ 95
m ¯ (mg) 8.4 23 65 32
n 14 14 13 41
Spheres ¯ /biopsy 690 2,100 3,100 1,900
A ¯ / m ¯ (Bq/mg) 4,100 4,500 2,400 3,000
CV 0.50 0.71 0.36 0.65
SK 0.78 2.9 −1.3 2.8
  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.