DUX4 and acute lymphoblastic leukemia: These include B-ALL with DUX4 [18, 19], MEF2D [20], ZNF384 [21] or NUTM1 [22] rearrangements, with IG::MYC fusion [23, 24], and with PAX5alt [25] or PAX5 p.P80R (NP_057953.1) [26] abnormalities.