UPDATED 20.11.2013 14:07


Organised breast cancer screening programme in the Pohjois-Pohjanmaa health care district in Finland in the invitation year 2005. 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 7027 284 4.04 213 3.03 249 3.54 59 0.84 42 0.60 10 0.14 31 0.44 1 0.01
55-592 4590 126 2.75 96 2.09 99 2.16 19 0.41 28 0.61 5 0.11 23 0.50 - -
60-64 695 7 1.01 6 0.86 7 1.01 3 0.43 1 0.14 - - 1 0.14 - -
65-69 24 - - - - - - - - - - - - - - - -
Total 12336 417 3.38 315 2.55 355 2.88 81 0.66 71 0.58 15 0.12 55 0.45 1 0.01

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).