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Washington University Experience | NEOPLASMS (GLIAL) | Astrocytoma, pilomyxoid | 6C2 Astrocytoma, pilomyxoid & PA (Case 6) GFAP 2.jpg
The GFAP stain shows nearly diffuse immunoreactivity and highlights the thin piloid cytoplasmic processes. In areas resembling pilomyxoid astrocytoma, some of these processes radiate toward central blood vessels.