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Washington University Experience | NEOPLASMS (GLIAL) | Astrocytoma, pilocytic - Gross Pathology | 7D1 Astrocytoma, pilocytic, optic nerve (Case 7) Trichrome 2.jpg
7D1,2 The portion of the intraneural and intradural sleeve are separated and invaded as shown in this trichrome stain for collagen.
