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Washington University Experience | NEOPLASMS (GLIAL) | Astrocytoma, pilomyxoid | 6C1 Astrocytoma, pilomyxoid & PA (Case 6) GFAP 1.jpg
6C1,2 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.