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Cellular Classification of Breast Cancer
The following is a list of breast cancer histologic classifications.[1]
Infiltrating or invasive ductal cancer is the most common breast cancer
histologic type and comprises 70% to 80% of all cases.
- Carcinoma, NOS (not otherwise specified).
- Ductal.
- Intraductal (in situ).
- Invasive with predominant intraductal component.
- Invasive, NOS.
- Comedo.
- Inflammatory.
- Medullary with lymphocytic infiltrate.
- Mucinous (colloid).
- Papillary.
- Scirrhous.
- Tubular.
- Other.
- Lobular.
- In situ.
- Invasive with predominant in situ component.
- Invasive.[2]
- Nipple.
- Paget disease, NOS.
- Paget disease with intraductal carcinoma.
- Paget disease with invasive ductal carcinoma.
- Other.
- Undifferentiated carcinoma.
The following are tumor subtypes that occur in the breast but are not
considered to be typical breast cancers:
- Phyllodes tumor.[3,4]
- Angiosarcoma.
- Primary lymphoma.
References
-
Breast. In: American Joint Committee on Cancer.: AJCC Cancer Staging Manual. 6th ed. New York, NY: Springer, 2002, pp 171-180.
-
Yeatman TJ, Cantor AB, Smith TJ, et al.: Tumor biology of infiltrating lobular carcinoma. Implications for management. Ann Surg 222 (4): 549-59; discussion 559-61, 1995.
[PUBMED Abstract]
-
Chaney AW, Pollack A, McNeese MD, et al.: Primary treatment of cystosarcoma phyllodes of the breast. Cancer 89 (7): 1502-11, 2000.
[PUBMED Abstract]
-
Carter BA, Page DL: Phyllodes tumor of the breast: local recurrence versus metastatic capacity. Hum Pathol 35 (9): 1051-2, 2004.
[PUBMED Abstract]
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