Neuro Teaching Set
10/06/2009
This malignant neoplasm is composed of large neoplastic lymphocytes. CD-45, CD-20, and CD-45RO are positive. CD-3 is negative.
10/06/2009
The brain tissue surrounding this metastatic tumor mass has acute neuronal necrosis.
10/06/2009
This is a papillary clear cell carcinoma with a high degree of vascularity. The CD-10, vimentin, cytokeratin (AE 1/3), and EMA all stain positively.
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
Sections show a pilocytic glial neoplasm with sparse Rosenthal fibers and more frequent eosinophilic granular bodies.
