Also called Zuska's disease (only nonpuerperal case),<unk>  is a subcutaneous<unk>  of the breast tissue beneath the areola of the nipple. It is a frequently aseptic inflammation and has been associated with squamous metaplasia of lactiferous ducts. The term is usually understood to include breast<unk> es located in the retroareolar region or the periareolar region but not those located in the periphery of the breast.<unk>  can develop both during lactation or extrapuerperal, the<unk>  is often flaring up and down with repeated fistulation.
Subareolar abscess
Ciliated cyst of the vulva
Periapical cyst
Limbal nodule
Cutaneous endometriosis
Giant condyloma acuminatum
Multiple cutaneous leiomyoma
Trichilemmoma