title: Lymphadenitis with massive hemophagocytic sinus histiocytosis.
mesh_terms: D002467:Cell Nucleus; D002648:Child; D004721:Endoplasmic Reticulum; D005260:Female; D006644:Histiocytes; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology*; D008199:Lymphadenitis / Q000150:complications / Q000473:pathology*; D008206:Lymphatic Diseases / Q000150:complications / Q000473:pathology*; D008214:Lymphocytes; D008247:Lysosomes; D008264:Macrophages; D008853:Microscopy; D008854:Microscopy, Electron; D008928:Mitochondria; D009000:Monocytes; D009333:Neck; D010255:Paranasal Sinus Neoplasms / Q000473:pathology*; D010587:Phagocytosis; D012270:Ribosomes; D013363:Submandibular Gland