Fibroadenoma

Overview of Fibroadenoma

An overgrowth of a breast lobule produces a fibroadenoma. The breast lobule is that part of the breast that produces milk. It is thought that stimulation of the breast by certain hormones may produce this condition. Fibroadenomas are most common between 15 and 30 years of age and is more common in African-Americans.

Causes of Fibroadenoma

There is not a specific etiology for the development of fibroadenomas. However, it is thought that sensitivity of breast tissue to female sex hormones is an important contributing factor.

Signs and Symptoms of Fibroadenoma

Fibroadenomas usually produce a painless lump in the breast. They arise most commonly in the superior and outer part of the breast. Frequently, there is more than one lump. Occasionally, both breasts may be involved. In some cases, there may be generalized thickening of the breast tissue. The lumps found in fibroadenomas frequently increase more quickly during pregnancy.

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Medical Content Last Updated on 07/12/2008

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Fibroadenoma

Overview of Fibroadenoma

Causes of Fibroadenoma

Signs and Symptoms of Fibroadenoma

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