Here we report on a case with a t(8;13)(p11.2;q12.1) ZMYM2-FGFR1 fusion, with massive tumor lysis upon tyrosine kinase inhibition with imatinib.     ///    A ZMYM2-FGFR1 8p11 myeloproliferative neoplasm with a novel nonsense RUNX1 mutation and tumor lysis upon imatinib treatment.. 