Nipple retraction inversion

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The terms nipple retraction and inversion have come to be used interchangeably. However, nipple inversion is most often used when the whole of the nipple is permanently pulled inwards, whilst nipple retraction is used to describe variable degrees (usually intermittent) of the nipple being pulled inwards.

Congenital nipple inversion (of variable degree) occurs in up to one-fifth of all women. This is usually of no clinical significance unless it interferes with breast feeding. The woman may present because of the cosmetic deformity. However, two of the most common causes of nipple retraction are mammary duct ectasia and periductal mastitis. Clinically, this manifests as a transverse depression in the nipple which progresses to complete retraction (there may also be an associated nipple discharge). This process may be intermittent in its early stages and can be present in both breasts. Nipple retraction may also occur in patients with breast cancer. In the latter this is unilateral and there may be an associated breast lump, with or without a nipple discharge (often blood stained).

Table 17.2. The risk of breast cancer occurring in patients

with certain types of benign breast disease.

Type of benign breast disease

Risk of developing breast cancer

Sclerosing adenosis

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  • marjo
    Why retraction occur in carcinoma of breast?
    2 years ago

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