title: Sinus histiocytosis with massive lymphadenopathy.
mesh_terms: D001706:Biopsy; D002648:Child; D005260:Female; D006644:Histiocytes / Q000648:ultrastructure; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology*; D008206:Lymphatic Diseases / Q000473:pathology*; D008297:Male; D009333:Neck