UPDATED 08.12.2010 14:59


Organised breast cancer screening programme in the Pohjois-Pohjanmaa health care district in Finland in the invitation year 2008. 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 6893 259 3.76 179 2.60 224 3.25 22 0.32 29 0.42 6 0.09 22 0.32 1 0.01
55-59 4682 149 3.18 104 2.22 135 2.88 17 0.36 33 0.70 6 0.13 27 0.58 - -
60-64 2275 51 2.24 32 1.41 48 2.11 8 0.35 9 0.40 1 0.04 8 0.35 - -
65-69 31 2 6.45 1 3.23 2 6.45 - - 2 6.45 - - 2 6.45 - -
Total 13881 461 3.32 316 2.28 409 2.95 47 0.34 73 0.53 13 0.09 59 0.43 1 0.01

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