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Chapter: Medicine and surgery: Breast disorders

Benign breast disease - Benign disorders of the breast

Abnormalities that occur during the normal cycle of breast proliferation and involution. - Definition, Incidence, Aetiology, Pathophysiology, Clinical features, Complications, Investigations, Management, Prognosis.

Benign disorders of the breast

 

Benign breast disease

 

Definition

Abnormalities that occur during the normal cycle of breast proliferation and involution. Previously known under various names (fibroadenosis, fibrocystic change, mammary dysplasia) these have now been classified as aberrations of normal development and involution (ANDI) (see Table 10.4).

 


Incidence

 

Common, affecting most women to some extent.

 

Age

 

From puberty onwards, peaks in later reproductive life, declines after menopause.

 

Aetiology

 

Benign breast disease is thought to occur due to an abnormal tissue response to hormones.

 

Clinical features and investigations

 

Some women develop generalised breast nodularity and others present with more localised nodularity (see also section Breast Lumps, page 409). If excised most areas of nodularity show either no abnormality or aberrations of the normal involutional process such as focal areas of fibrosis or sclerosis. Triple assessment (clinical examination, imaging and tissue sampling) is required for any new discrete lump, a new lump within preexisting nodularity or asymmetrical nodularity that persists after menstruation.

 

Management

 

For management of specific forms of ANDI see individual conditions.

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