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Washington University Experience | NEOPLASMS (GLIAL) | Glioblastoma, small cell type | 6D3 GBM, small cell (Case 6) EGFR-CEP7
There is evidence of EGFR gene amplification. ---- Additional Immunohistochemical stains (not shown): An immunohistochemical stain for GFAP shows strong positivity. Synaptophysin highlights background cell processes.