2026. Simultaneous presentation of Hemophagocytic Lymphohistiocytosis and Classical Hodgkin’s Lymphoma in a patient with underlying germline homozygous STXBP2 Mutation. Mediterranean Journal of Hematology and Infectious Diseases. 18, 1 (Apr. 2026), e2026043. DOI:https://doi.org/10.4084/MJHID.2026.043.