Aleukaemic reticulo-endotheliosis of orbital bones.
D002648:Child; D002675:Child, Preschool; D005260:Female; D006646:Histiocytosis, Langerhans-Cell / Q000175:diagnosis*; D006801:Humans; D008206:Lymphatic Diseases / Q000175:diagnosis* / Q000473:pathology; D008297:Male; D009918:Orbital Neoplasms / Q000175:diagnosis* / Q000473:pathology