Diagnostic Guidelines for Familial Hemophagocytic Lymphohistiocytosis Revisited
Revisited Diagnostic Guidelines for Familial Hemophagocytic Lymphohistiocytosis (FHL) Based on HLH-2004: Updates to Diagnostic Criteria and Development of Multipathway Diagnostic Strategies Introduction Familial hemophagocytic lymphohistiocytosis (FHL) is a severe hyperinflammatory disease characterized by abnormal accumulation of macrophages and l...