Fig. 3
From: Primary ectopic parasellar craniopharyngioma: a case report
On histopathological examination, the tumor was diagnosed as craniopharyngioma. (a) Features of the tumor revealed partial keratinization (black arrow; hematoxylin and eosin staining; magnification: 40×; scale bar: 500 μm). (b) Cystic contents with significant cystic changes (black arrow; hematoxylin and eosin staining; magnification: 200×; scale bar: 500 μm). (c) The tumor was accompanied by a well-differentiated, irregularly arranged, squamous epithelial structure (hematoxylin and eosin staining; magnification: 200×; scale bar: 500 μm) surrounded by palisade columnar epithelium