Astrocytoma
10/02/2009
The morphology of this neoplasm is unusual. There are giant cells present in spaces separated by paucicellular fibrillary septae containing abundant Rosenthal fibers.
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.
10/02/2009
This is a large diffuse astrocytoma occupying most of the white matter of the excised brain tissue.
10/02/2009
Rosenthal fibers and striking glomeruloid vascular/endothelial proliferation are present in the tumor.