benign breast tumours

Last reviewed 01/2018


  • epithelial:
    • intraduct papilloma
    • adenoma i.e. an excess of ductules
  • mesenchymal:
    • lipoma
    • fibroma
  • mixed:
    • fibroadenomas
    • Phyllodes tumours

Note fibroadenomas though included here are not true neoplasms. They originate from a whole group of cells and are so common that they are best considered as abberations of normal development rather than neoplastic in origin.