NEURO-ONCOLOGY MAYOMEDICALLABORATORIES.COM 800-533-1710 or +507-266-5700 CONSULTATIVE SERVICE 70012 Pathology Consultation (appropriate stains and ancillary testing may be performed in order to render an accurate diagnosis) The Mayo Clinic Deparment of Laboratory Medicine and Pathology offers a broad menu of testing for central nervous system (CNS), peripheral nerve sheath (PNS) and pituitary tumors. Our world renown neuro-oncology experts in pathology and genetics provide an integrated approach for testing and interpretation of results. GLIOMA / GLIOBLASTOMA ATRX Immunostain BRAF V600E Immunostain Glial Fibrillary Acidic Protein (GFAP) Immunostain IDH1 Mutation (R132H) Immunostain Ki67 (MIB-1) Immunostain Olig2 Immunostain p53 Immunostain S-100 Protein Immunostain 1p/19q Deletion in Gliomas, FISH, Tissue* ,+ [ID: GLIOF] BRAF Mutation Analysis (V600E), Tumor* [ID: BRAFT] Chromosomal Microarray, Tumor, FFPE* ,+ [ID: CMAPT] IDH1/2, Mutation Analysis* [ID: IDH] MGMT Promoter Methylation, Tumor* [ID: MGMT] Comprehensive Neuro-oncology Panel by NGS (coming in 2016) NEURONAL / EMBRYONAL / MEDULLOBLASTOMA INI1/BAF47 Immunostain Medulloblastoma panel: Beta catenin, YAP and GAB1 Immunostains Neu-N Immunostain Neurofilament (NF) Immunostain Synaptophysin (SYNAPTO-B) Immunostain Medulloblastoma, FISH, Ts (MYCN amplification, MYC ampification, chromosome 6 monosomy)* [ID: MEDF] ATRX immunostain - loss of expression in astrocytoma cells Pleomorphic xanthoastrocytoma (H&E image) Mutant IDH1 immunostain FISH: 1p deletion (oligodendroglioma) *individually orderable + microarray is the preferred test but for small specimens 1p/19q FISH can be ordered OncoScan Array Pattern Triple Positive Glioma (IDH mut, TERT mut, 1p/19q codel) Eckel-Passow et al. NEJM 2015; 372:2499-2508