Figure 4: Microscopic view showing a thickened cyst wall containing numerous psammomatous calcifications and has flat lining (H and E, ×200). Pathological examination of the tissue revealed a cyst with thickened fibrous wall that contains numerous psammomatous calcifications and has flat denuded lining. Immunohistochemistry was performed and showed the flat lining to be positive with EMA while negative with S100, GFAP, and cytokeratin cocktail