Papilloma: A papilloma is a growth in a milk duct and can present as nipple discharge. It also may present as a small lump behind or next to the nipple. A biopsy can help understand whether ...

Intraductal papillomas are noncancerous tumors that grow within the milk ducts near the nipple. They can cause clear or bloody nipple discharge and can form a painful lump. The papillomas may also ...