Sinus histiocytosis with massive lymphadenopathy: evidence for its relationship to macrophages and for a cytokine‐related disorder

Abstract
Aims Sinus histiocytosis with massive lymphadenopathy (SHML) or Rosai–Dorfman disease is a rare histiocytic disorder of unknown origin. Immunophenotypically the histiocytes of SHML express intensive...