<prompt> Pagets disease of nipple is stained positive for:CEAS 100Both of the aboveNone of the above  <response>: Pagets disease may be confused with superficial spreading melanoma. Differentiation from pagetoid intraepithelial melanoma is based on the presence of S-100 antigen immunostaining in melanoma and carcinoembryonic antigen immunostaining in Pagets disease. Surgical therapy for Pagets disease may involve lumpectomy, mastectomy, or modified radical mastectomy, depending on the extent of involvement and the presence of invasive cancer. Ref: Schwazs principle of surgery 9th edition, chapter 17. 