Fig. 2
From: Ectopic orbital meningioma: a retrospective case series
a Epithelial-type meningioma with low malignancy. Tumours indicated an infiltrative growth pattern with invasion of surrounding adipose tissue (arrow), HE× 40. b Image of psammomatous meningioma, HE× 200. c-g immunohistochemistry revealed positive staining for EMA, Ki-67, Vimentin, S-100 and calponin respectively, IHC × 200. h PBS was used to replace the primary antibody as the negative control, IHC × 200