Comment on

• CXCL9 as a novel prognostic marker to identify high-risk adults with hemophagocytic lymphohistiocytosis.

  Rocco JM, Oved JH, Patel RJ, Herskovits AZ, Nair N, Shakoory B, Robertson TE, Dileo R, Jacobs MW, Zerbe CS, Gordon RA, Ombrello MJ, Ombrello AK, Shah NN, Dimitrova D, Kanakry J, Zelenetz AD, Moskowitz AJ, Stuver R, Epstein-Peterson ZD, Ghione P, Mead E, Shahid Z, Raj S, Park JH, Giralt SA, Maillard I, Geyer MB, Xiao W, Dogan A, Lim M, Zwicker JI, Mones J, Parameswaran R, Banaszak L, Geller S, Santomasso BD, Shouval R, Curran KJ, Delmonte O, Notarangelo LD, Cohen JI, Holland SM, Salles G, Horwitz SM, Vardhana SA, Perales MA, Schwartz D, Sereti I, Johnson WT. Rocco JM, et al. Blood. 2026 Feb 26;147(9):960-972. doi: 10.1182/blood.2025030976. Blood. 2026. PMID: 41369611