Figure 3.

Low magnification shows a tumour composed of large cysts as well as microcysts, and tubules embedded in a fibrous stroma (A, H&E, ×40). Focally, an "ovarian-like" stroma was observed (B, H&E, ×100). The epithelial component demonstrated expression for cytokeratin-7 (C, ×100), whereas the "ovarian-like" stroma showed coexpression for smooth-muscle actin (D, ×100) as well as for estrogen (E, ×100) and progesterone receptors (F, ×100).

Richter et al. Diagnostic Pathology 2010 5:16   doi:10.1186/1746-1596-5-16
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