Case Reports

Adult-onset activated PI3Kδ syndrome presenting with HLH-like hyperinflammation, autoimmunity, and thrombosis: an underrecognized inborn error of immunity

Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul
Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul
Haematologica Early view Aug 27, 2026 https://doi.org/10.3324/haematol.2026.301303