Jeffrey Helgager

High-grade astrocytoma with piloid features: a clinical and genomic analysis of prognostic factors using a large cohort

BACKGROUND: High-grade astrocytoma with piloid features (HGAP) is a recently defined tumor type that is not well-understood. Prognostic factors of clinical outcomes are not well-established. METHODS: Methylation profiling was performed on tumor samples, many at the National Cance...