The young male presented with structural and functional abnormalities similar to hypergranular acute promyelocytic leukemia, but was resistant to all transretinoic acids and arsenic trioxide...Disease management may typically require a joint treatment strategy involving chemotherapy, immunotherapy, and support therapy. In this study, we report the clinical manifestations and experimental results of a 10-year-old male and review other cases of RARG gene rearrangement reported in the literature.