histological classification

Last reviewed 01/2018

Histological classification:

  • carcinoma of no special type ("ductal") 60-70 %
  • carcinoma of special type:
    • tubular 1-5 %
    • medullary < 5 %
    • mucinous < 5 %
    • papillary 1 %
  • infiltrating lobular carcinoma 10-20 % (may be bilateral)
  • mixed - ductal, lobular, rare types 10 %