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Washington University Experience | NEOPLASMS (GLIAL) | Pleomorphic Xanthoastrocytoma (PXA) | 15C2 PXA (Case 15) Retic 4
A reticulin stain shows dense pericellular deposition. ---- Ancillary findings (not shown): CD34 immunoreactivity is strongly positive. The Ki-67 labeling index is low. ---- The morphologic and immunohistochemical features are consistent with the diagnosis of pleomorphic xanthoastrocytoma, WHO grade 2.
