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Washington University Experience | NEOPLASMS (GLIAL) | Astroblastoma | 2H Astroblastoma, recurrent (Case 2) INI1 1
INI1 is retained in tumor cells. (INI1 IHC) ---- Fluorescence in situ hybridization (FISH) performed at WU cytogenetics and molecular pathology laboratory reveals no evidence of EGFR gene amplification or loss of 10q/monosomy 10. The histomorphological and immunohistological features are consistent with recurrent astroblastoma with increased proliferative activity which is not WHO graded at this time.
