Hand–Schüller–Christian disease

• Facts:
  Pediatric disease
• History / PE:
  1) Exophthalmos
  2) Skull lesions (lytic bone lesions)
  3) Diabetes insipidus (infiltration of pituitary stalk)
• Associated With:
  Langerhans histiocytosis
• Differential Diagnosis:
  Graves' disease