UPDATED 15.10.2013 14:21


Organised breast cancer screening programme in the Helsinki region in Finland in the invitation year 1999. 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 27153 755 2.78 733 2.70 623 2.29 280 1.03 133 0.49 30 0.11 101 0.37 2 0.01
55-592 17097 435 2.54 420 2.46 336 1.97 169 0.99 110 0.64 12 0.07 94 0.55 4 0.02
60-64 1499 35 2.33 34 2.27 26 1.73 16 1.07 13 0.87 2 0.13 11 0.73 - -
65-69 1620 34 2.10 32 1.98 28 1.73 11 0.68 10 0.62 - - 10 0.62 - -
Total 47369 1259 2.66 1219 2.57 1013 2.14 476 1.00 266 0.56 44 0.09 216 0.46 6 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).