WHO Classification of Tumours of the Breast and Female Genital Organs 1
 
Lakhani SR, Ellis IO, Schnitt SJ, Tan PH, van de Vijver MJ (Eds.)
WHO Classification of Tumours of the Breast
4th edition
International Agency for Research on Cancer (IARC): Lyon 2012



C50 - Breast:




Ductal carcinomas
    8500/3 Infiltrating duct carcinoma, NOS
        8022/3 Pleomorphic carcinoma
        8035/3 Carcinoma with osteoclast-like giant cells
    Precursor lesions
    8035/3 Carcinoma with osteoclast-like giant cells
        8500/2 Intraductal carcinoma, noninfiltrating, NOS
        8500/2 Ductal carcinoma in situ, NOS

Lobular carcinoma
    8520/3 Lobular carcinoma, NOS
    Precursor lesions
    8520/3 Lobular carcinoma, NOS
        8520/2 Lobular carcinoma in situ, NOS

Special subtypes of invasive carcinoma
    8503/3 Intraductal papillary adenocarcinoma with invasion
    8401/3 Apocrine adenocarcinoma
    8211/3 Tubular adenocarcinoma
    8201/3 Cribriform carcinoma, NOS
    8510/3 Medullary carcinoma, NOS
    8510/3 Medullary adenocarcinoma
    8480/3 Mucinous adenocarcinoma
    8480/3 Pseudomyxoma peritonei with unknown primary site
    8470/3 Mucinous cystadenocarcinoma, NOS
    8490/3 Signet ring cell carcinoma
    8575/3 Metaplastic carcinoma, NOS
    8200/3 Adenoid cystic carcinoma
    8200/3 Bronchial adenoma, cylindroid
    8530/3 Inflammatory carcinoma
    8246/3 Neuroendocrine carcinoma, NOS

Rare variants of invasive carcinoma
    8502/3 Secretory carcinoma of breast
    8290/3 Oxyphilic adenocarcinoma
    8290/3 Hurthle cell carcinoma
    8290/3 Hurthle cell adenocarcinoma
    8290/3 Follicular carcinoma, oxyphilic cell
    8314/3 Lipid-rich carcinoma
    8550/3 Acinar cell carcinoma
    8315/3 Glycogen-rich carcinoma
    8410/3 Sebaceous adenocarcinoma

Intraductal papillary neoplasms
    8503/0 Intraductal papilloma
    8503/2 Noninfiltrating intraductal papillary adenocarcinoma
    8504/2 Noninfiltrating intracystic carcinoma

Adenomas
    8211/0 Tubular adenoma, NOS
    8204/0 Lactating adenoma
    8401/0 Apocrine adenoma
    8940/0 Pleomorphic adenoma
    8940/0 Chondroid syringoma

Myoepithelial lesions
    8983/0 Adenomyoepithelioma
    8982/3 Malignant myoepithelioma

Mesenchymal tumours
    9120/0 Hemangioma, NOS
    9150/1 Hemangiopericytoma, NOS
    9150/1 Hemangiopericytic meningioma
    8825/0 Myofibroblastoma
    8825/1 Myofibroblastic tumor, NOS
    8850/0 Lipoma, NOS
    8861/0 Angiolipoma, NOS
    9580/0 Granular cell tumor, NOS
    9540/0 Neurofibroma, NOS
    9560/0 Neurilemoma, NOS
    9560/0 Acoustic neuroma
    9560/0 Pigmented schwannoma
    9560/0 Plexiform schwannoma
    9560/0 Cellular schwannoma
    9560/0 Degenerated schwannoma
    9560/0 Ancient schwannoma
    9560/0 Psammomatous schwannoma
    9120/3 Haemangiosarcoma
    8850/3 Liposarcoma, NOS
    8900/3 Rhabdomyosarcoma, NOS
    9180/3 Osteosarcoma, NOS
    8890/0 Leiomyoma, NOS
    8890/0 Plexiform leiomyoma
    8890/0 Lipoleiomyoma
    8890/3 Leiomyosarcoma, NOS

Fibroepithelial tumours
    9010/0 Fibroadenoma, NOS
    9020/1 Phyllodes tumor, borderline
    9020/3 Phyllodes tumor, malignant

Malignant lymphomas
    9687/3 Burkitt lymphoma, NOS
    9687/3 Burkitt-like lymphoma
    9690/3 Follicular lymphoma, NOS

Tumours of the nipple
    8506/0 Adenoma of nipple
    8407/0 Syringoma, NOS
    8540/3 Paget disease, mammary

Tumours of the male breast