UPDATED 15.10.2013 14:16


Organised breast cancer screening programme in the Helsinki region in Finland in the invitation year 1997. 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 %
50-542 29562 847 2.87 843 2.85 734 2.48 396 1.34 168 0.57 44 0.15 109 0.37 15 0.05
55-592 17744 411 2.32 409 2.31 331 1.87 170 0.96 108 0.61 22 0.12 78 0.44 8 0.05
60-64 1550 42 2.71 42 2.71 26 1.68 12 0.77 11 0.71 3 0.19 4 0.26 4 0.26
65-69 1230 21 1.71 21 1.71 17 1.38 9 0.73 10 0.81 - - 4 0.33 6 0.49
Total 50086 1321 2.64 1315 2.63 1108 2.21 587 1.17 297 0.59 69 0.14 195 0.39 33 0.07

1 Age groups are defined on the basis of the invitation and the birth year.
2 Age groups targeted in the Decree of Public Health (1992).