Breast disease

MeSH | D001941

Breast diseases can be classified either with disorders of the integuement, or disorders of the reproductive system.

## Contents

* 1 Cancer
* 2 Breast Pain
* 3 Infections and inflammations
* 4 Pre-malignant diseases
* 5 Malignant diseases
* 6 Benign conditions
* 7 Fibrocystic Breast Condition
* 8 Discharge from the nipples
* 9 Abnormal nipples
* 10 Inverted nipples
* 11 Mastitis
* 12 References
* 13 See also

## Cancer

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A majority of breast diseases are noncancerous.[1]

Main article: Breast Cancer

## Breast Pain

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Main article: Mastalgia

## Infections and inflammations

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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.

## Pre-malignant diseases

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* Carcinoma in situ, a pre-malignant condition which can progress to a malignant cancer

## Malignant diseases

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Malignant diseases include:

* Breast cancer
* Paget’s disease of the nipple, also known as Paget’s disease of the breast

## Benign conditions

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Benign conditions include:

* Congenital disorders
* inverted nipple
* supernumerary nipples/supernumerary breasts (polymazia / polymastia) /duplicated nipples
* Aberrations of normal development and involution
* cyclical nodularity
* breast cysts
* fibroadenoma \- benign tumor
* gynecomastia (males)
* nipple discharge, galactorrhea
* mammary fistula
* Fibrocystic disease / Fibrocystic changes
* cysts
* epithelial hyperplasia
* epithelial metaplasia
* papillomas
* adenosis
* Pregnancy-related
* galactocoele

## Fibrocystic Breast Condition

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Main article: Chronic cystic mastitis

Also called: fibrocystic breast disease, Chronic cystic mastitis, Diffuse cystic mastopathy, Mammary dysplasia

## Discharge from the nipples

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## Abnormal nipples

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Nipples

## Inverted nipples

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Inverted nipple

## Mastitis

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*     * bacterial mastitis
* mastitis from milk engorgement or secretory stasis
* mastitis of mumps
* chronic intramammary abscess
* chronic subareolar abscess
* tuberculosis of the breast
* syphilis of the breast
* retromammary abscess
* actinomycosis of the breast
* Mondor’s disease
* duct ectasia syndrome
* breast engorgement

## References

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1. ↑ "MedlinePlus: Breast Diseases".

## See also

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* Breast
* Mammary gland
* Paget's Disease of Breast
* Mondor's disease
* Mastalgia
* Accessory breast

Template:Diseases of the pelvis, genitals and breasts Template:Congenital malformations and deformations of integument

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