Sometimes referred to as accessory breasts, polymastia is the presence of supernumerary extra breasts on the human body. It can also present itself as a breast with a nipple but no areola, a breast with an areola but no nipple, or just a small lump of breast tissue with neither nipple nor areola. Up to 6 percent of the general population has accessory breast tissue, although it is commonly misdiagnosed, usually as lipoma, a benign tumor composed of fat cells. In a few cases, supernumerary breasts can be diagnosed with breast cancer. Women report a much higher rate of polymastia and polythelia than men, but there have been several reported cases of men with accessory breast tissue. Extra nipples are more common.
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Accessory Axillary Breast Excision with Liposuction Using Minimal Incision: A Preliminary Report
Accessory breasts , also known as polymastia , supernumerary breasts , or mammae erraticae , is the condition of having an additional breast. Extra breasts may appear with or without nipples or areolae. It is a condition and a form of atavism which is most prevalent in male humans, and often goes untreated as it is mostly harmless. In recent years, many affected women have had a plastic surgery operation to remove the additional breasts, for purely aesthetic reasons. A related condition, in which extra nipples form, is called " supernumerary nipple " or "polythelia". In some cases, the accessory breast may not be visible at the surface.
Accessory breasts: a historical and current perspective
The breast: comprehensive management of benign and malignant diseases III Edition. Pages Diseases of the breast II. JSCR
Right axillary recurrent pain and swelling for the last few months. Pain occurs during premenstrual time. At the site of pain and swelling pointed by the patient in the right axilla, there is the heterogeneous hyperechoic area below the skin. It shows the same appearance as that of the normal glandular tissue of the breast. It is not connected to the pectoral breast tissue.