in an attempt to delineate the origin of the neoplastic cells in this disease , the immunoperoxidase localization of gross cystic disease fluid protein ( gcdfp-15 ) , a marker of apocrine epithelium , carcinoembryonic antigen ( cea ) , and keratin proteins , was determined for seven cases of extramammary paget 's disease ( five vulvar , one anogenital , and one axillary ) .
C0597032
neoplastic cells
C0030186
extramammary