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Cyst of Montgomery

Monday 4 January 2016


Definition: A cyst of Montgomery is a benign breast mass, usually found in adolescent girls. Typically, it resolves spontaneously by itself.


- Montgomery tubercles: areolar protuberances. Sebaceous glands NOT associated with a hair follicle. Usually multiple (10-20).

The periareolar glands of Montgomery in the breast are also called Montgomery tubercles or Morgagni tubercles. These periareolar glands are small, papular tissue projections at the edge of the areola (nipple).

Obstruction of the Montgomery tubercles may result in an acute inflammation, a clear or light brownish fluid may drain out of the areola (nipple discharge), and an subareolar mass may develop, the cyst of Montgomery.

See also

- mammary anomalies