I.17 Meningioma

PI17j2 - Click here to make me bigger
PI.17.j2 Microcystic ("humid") meningioma (MT x100). Stellate appearance of numerous cells that appear to have processes due to microcystic dilatation of the intercellular spaces. This pseudo-astrocytic appearance may be mistaken for astrocytoma. Note the progressive microcystic transformation of a meningothelial island