Fig. 3
From: Ectopic meningioma presenting as a neck mass: case report and review of literature
a Hematoxylin and Eosin staining (in high-power microscopy) showing meningothelial whorls and a psammoma body; b Histopathology slide (in high power) showing low Ki-67 index; c Hematoxylin and Eosin staining (in high-power microscopy) showing meningioma whorls with perineural invasion; d Hematoxylin and Eosin staining (in low power microscopy) showing meningioma infiltrating adjacent fatty tissue and skeletal muscle; e Immunohistochemistry (in high-power microscopy) showing EMA staining