"galactocoele"
"The disease manifests as numerous palpable (usually mobile) intradermal oil cysts ranging from 2-20 mm in diameter. The cysts are usually asymptomatic although they can occasionally rupture to the skin surface and may become infected."
Expected headings
"Breast ultrasound"
"Prognosis"
"There is a genetic predisposition and It is thought to have an autosomal dominant inheritance. Occasional sporadic cases have also been identified."
"There is no increased risk of either breast or skin malignancy."