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Washington University Experience | NEOPLASMS (GLIAL) | Astrocytoma, IDH-mutant, WHO Grade 4 | 2D IDHmut Astro Gr4 (Case 2) p53 1
Nuclear p53 immunoreactivity is found in nearly all tumor cells (i.e., a “mutant pattern”). (p53 IHC) ---- Not shown: FISH did not show co-deletion of 1p and 19q.