Case Report of Pediatric TTMV-Related Acute Promyelocytic Leukemia with Central Nervous System Infiltration and Rapid Accumulation of RARA-LBD Mutations

Investigators presented a pediatric case that manifested as PML::RARA-negative acute promyelocytic leukemia with central nervous system involvement at onset. The patient experienced both intramedullary and extramedullary relapse one year after undergoing allogeneic hematopoietic stem cell transplantation.