UPDATED 21.11.2013 08:15


Organised breast cancer screening programme in the Oulu region in Finland in the invitation year 2011. Numbers and percentage distribution of screened women, referrals to further examinations and to surgery, and histologically confirmed diagnoses by age groups.

Age group1 Screened Referral Additional
mammogram
Ultra-
sonography
Fine-needle
biopsy
Surgery Histological diagnosis
      Benign      Malignant    Unknown
  n n % n % n % n % n % n % n % n %
50-54 13580 580 4.27 364 2.68 537 3.95 15 0.11 133 0.98 53 0.39 71 0.52 9 0.07
55-59 9290 259 2.79 166 1.79 242 2.60 6 0.06 56 0.60 16 0.17 39 0.42 1 0.01
60-64 13329 352 2.64 209 1.57 326 2.45 9 0.07 116 0.87 25 0.19 85 0.64 6 0.05
65-69 799 33 4.13 28 3.50 32 4.01 - - 12 1.50 6 0.75 5 0.63 1 0.13
Total 36998 1224 3.31 767 2.07 1137 3.07 30 0.08 317 0.86 100 0.27 200 0.54 17 0.05

1 Age groups are defined on the basis of the invitation and the birth year.