<prompt> Pathological nipple discharge is mostly associated with ?FibroadenomaDuct papillomaAdenocarcinomaLobular carcinoma  <response>: .DUCT PAPILLOMA Commonest cause of bloody discharge from nipple It is usually single, from a single lactiferous duct It blocks the duct causing ductal dilatation Clinical Features Papilliferous swelling projection, usually seen near the nipple orifice. Blood stained discharge from the nipple is common. But serous or serosanguinous discharge can also occur. Single papilloma is not premalignant. But multiple papillomas in many ducts can be premalignant. ref:SRB;s manual of surgery,ed 3,pg no 466 