Microcystic Variant of an Intraosseous Meningioma in the Frontal Area: A Case Report

Figure 3

Histopathology: (a) H-E, photomicrograph, original magnification 400x, fragment of the surgically removed tissues, and numerous microcysts containing a pale eosinophilic fluid, surrounded by processes of neoplastic cells; (b) Ki-67, when it is positive in singular cells, it points to very low proliferative activity of the neoplasm, photomicrograph, original magnification 400x, and fragment of the surgically removed tissues; (c) EMA (+), photomicrograph, original magnification 400x, and fragment of the surgically removed tissues; (d) CK (+), photomicrograph, original magnification 400x, and fragment of the surgically removed tissues.