ATRX and neoplasm: Combined with hTERT promoter mutations, the presence of CIC and FUBP1 mutations and oligodendroglial histopathological features and the absence of ATRX and TP53 mutations may more strongly indicate whether a tumor is 1p19q codeleted as seen in the many hTERT promoter mutated, 1p19q codeleted patients of this study.23 This “rule” holds in the two other hTERT mutated samples.