WHO Grade III/IV
10/02/2009
The excised tumor consists of a cystic mass with both solid and thin membranous areas of the wall.
10/02/2009
The signs of anaplasia are very atypical neoplastic cells and focal high cell density. There are no substantial endothelial reaction or tumor necrosis evident.
10/02/2009
This glioma has unusual features and is difficult to classify and grade histologically. It has sheets and nests of infiltrating cells that are not well differentiated.
