Nested reverse transcription polymerase chain reaction demonstrated that bone marrow was positive for FIP1L1-PDGFRA rearrangement.     ///    A case of myeloid neoplasm with FIP1L1-PDGFRA rearrangement without marked peripheral blood eosinophilia..     ///     We report a 29-year-old man with double hip pain and lower limb weakness for 6 months with myeloid neoplasm with FIP1L1-PDGFRA rearrangement without marked peripheral blood eosinophilia.     ///    FIP1L1-PDGFRA fusion by reverse transcription polymerase chain reaction was still positive at 3 months. 