ArticleAnnals of hematology2026
Hemophagocytic lymphohistiocytosis associated with extranodal NK/T cell lymphoma, nasal type or aggressive NK cell leukemia: a retrospective multicenter study of Jiangsu Cooperative Lymphoma Group (JCLG).
Article in Annals of hematology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Hemophagocytic lymphohistiocytosis (HLH) is a life-threatening hyperinflammatory syndrome, among which NK-cell malignancy-associated HLH represents a clinically rare entity that has not been systematically investigated. The multicenter retrospective cohort study analyzed data from 136 adult patients diagnosed with HLH related to NK-cell malignancies between 2010 and 2024. The results demonstrated that initial treatment with etoposide-containing HLH therapy improved 60-day survival rates (P = 0.009) but did not affect overall survival (OS) (P = 0.306), whereas asparaginase-containing lymphoma regimens significantly improved both OS (P = 0.025) and 60-day survival rates (P = 0.016) in treatment-naive patients. By multivariate analysis, significant independent predictors of 60-day poor outcomes included serum albumin level < 30 g/L (HR, 2.03; 95% CI, 1.08-3.83; P = 0.029), platelet count < 20 × 10⁹/L (HR, 2.70; 95% CI, 1.46-4.99; P = 0.002), and Epstein-Barr virus DNA (whole blood) > 33,850 copies/mL (HR, 1.97; 95% CI, 1.01-3.81; P = 0.045). ECOG performance status ≥ 2 (HR, 2.00; 95% CI, 1.24-3.23; P = 0.004) and platelet count < 20 × 10⁹/L (HR, 7.61; 95% CI, 2.14-27.09; P = 0.002) were independent risk factors for poor OS. Therefore, we recommend asparaginase-based regimens as first-line therapy for treatment-naive adult patients with HLH related to NK-cell malignancies. Future multicenter prospective studies are warranted to optimize asparaginase-containing regimens, evaluate novel combination strategies, and establish precision risk-prediction models to guide clinical practice.
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