Immunostaining of the tumor epithelium and stroma. (A) The squamous cells were positive for CK5/6 (IHC, 200×). (B) The glandular epithelium was immunoreactive with LCK (IHC, 200×). (C) CK14 was expressed in some basal cells (IHC, 200×). D) Some cells in the micropapillary proliferation architectures were immunoexpressed with CK20 (IHC, 200×). The ovarian-type stroma was positive for CD10 (E) (IHC, 200×) and PR (F) (IHC, 400×).
Li et al. Diagnostic Pathology 2012 7:89 doi:10.1186/1746-1596-7-89