MiR517a expression in C19MC-amplified ETMR showed a fold change at a minimum of 200 and a maximum of 16 000, whereas the DICER1 mutated case (case#3) as well as tumor and epilepsy brain controls had significantly lower expression levels ranging from 0.04 up to 100 (Fig. 1d, e). This evidence concerns the gene DICER1 and neoplasm.