Slit shaped nipple seen in
Answer- A. Duct ectasiaDuct ectasia is dilatation of lactiferous ducts associated with periductal inflammation.Chronic inflammation and scarring will lead to indrawing and slit-shaped inversion of the nipple.If secondary infection supervenes, a mammary duct fistula can also develop.
Duct ectasia
Duct pappiloma
Paget's disease
CA breast