Breast disease

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Breast disease
Classification and external resources
Specialty urology
ICD-10 N60-N64
ICD-9-CM 610-611
MeSH D001941

Breast diseases can be classified either with disorders of the integument, or disorders of the reproductive system. A majority of breast diseases are noncancerous.[1]


Illustration of the early warning signs of breast cancer

A breast neoplasm is an abnormal mass of tissue in the breast as a result of neoplasia. A breast neoplasm may be benign, as in fibroadenoma, or it may be malignant, in which case it is termed breast cancer. Either case commonly presents as a breast lump. Approximately 7% of breast lumps are fibroadenomas and 10% are breast cancer, the rest being other benign conditions or no disease.[2]

Phyllodes tumor is a fibroepithelial tumor which can either benign, borderline or malignant.

Malignant neoplasms (breast cancer)[edit]

Among women worldwide, breast cancer is the most common cause of cancer death.[3] Breast self-examination (BSE) is an easy but unreliable method for finding possible breast cancer.[4] Factors that appear to be implicated in decreasing the risk of, early diagnosis of. or recurrence of breast cancer are regular breast examinations by health care professionals, regular mammograms, self-examination of breasts, healthy diet, and exercise to decrease excess body fat.[5]

Fibrocystic breast changes[edit]

Also called: fibrocystic breast disease, chronic cystic mastitis, diffuse cystic mastopathy, mammary dysplasia

Infections and inflammations[edit]

These may be caused among others by trauma, secretory stasis/milk engorgement, hormonal stimulation, infections or autoimmune reactions. Repeated occurrence unrelated to lactation requires endocrinological examination.

Other breast conditions[edit]

See also[edit]


  1. ^ "MedlinePlus: Breast Diseases". 
  2. ^ Page 739 in: Mitchell, Richard Sheppard; Kumar, Vinay; Abbas, Abul K.; Fausto, Nelson. Robbins Basic Pathology. Philadelphia: Saunders. ISBN 1-4160-2973-7.  8th edition.
  3. ^ World Health Organization (February 2006). "Fact sheet No. 297: Cancer". Retrieved 2007-04-26. 
  4. ^ Breast Self Examination at The Breast Site
  5. ^ Seven things you should know about breast cancer risk Harvard College. Last updated June 2008

Further reading[edit]

  • Irshad, A.; Ackerman, S. J.; Pope, T. L.; Moses, C. K.; Rumboldt, T.; Panzegrau, B. (2008). "Rare Breast Lesions: Correlation of Imaging and Histologic Features with WHO Classification1". Radiographics. 28 (5): 1399–1414. PMID 18794315. doi:10.1148/rg.285075743.