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Washington University Experience | NEOPLASMS (GLIAL) | Astrocytoma, pilomyxoid | 1B2 Astrocytoma, pilomyxoid (Case 1) GFAP 6 (2).jpg
The GFAP immunostain shows strong immunoreactivity within the majority of tumor cells in the initial resection and, in the later resection, highlights processes radiating towards central blood vessels in a fashion resembling perivascular pseudorosettes.