Simulators of Squamous Cell Carcinoma of the Skin: Diagnostic Challenges on Small Biopsies and Clinicopathological Correlation

Figure 13

Endometriosis with decidualization: medium power magnification showing cystic space surrounded by large polygonal cells with basophilic cytoplasm and bland nuclei. The cyst wall is rimmed by a layer of endometrial cells (arrow). (H&E, ×200).