These papillomas may be soft, small, and difficult to palpate beneath the areola or the nipple. 这些乳头状瘤较小,质软,不易摸认,位于乳晕或乳头之下方。
An intraductal papilloma may be associated with a serous or bloody nipple discharge, or it may cause some nipple retraction. 导管内乳头状瘤可能产生浆液性或血性乳头溢液,也可能引起某种程度的乳头内陷。