Figure 2.

Postoperative CT reexamination and histopathological examination. A, Postoperative CT scan of brain shows that the tumor was totally removed. B, Immunohistochemistry showing the expression of E-cadherin, EMA, vimentin, PR, CK7, and TTF-1. C, Histopathological examination of the right occipital space occupied by the brain lesion was proved to be adenocarcinoma metastasizing to meningioma along with the presence of meningioma cells (white arrow), psammoma bodies (yellow arrow), and adenocarcinoma cells (red arrow) by hematoxylin and eosin (H&E) staining.