Nipple inversion occurs due to involvement of: (A) Cooper ligament, (B) Subareolar duct, (C) Parenchyma of breast, (D) Subdermal lymphatics
Answer is B. Mastitis in many cases the lactiferous ducts will first become blocked by epithelial debris leading to stasis; this theory is suppoed by the relatively high incidence of mastitis in women with a retracted nipple.Periductal fibrosis is a sequela of periductal mastitis and may result in nipple retraction.Schwaz surgery 15th edition pg: 509