title: Xanthogranuloma of the mastoid leading to a diagnosis of Hand-Schüller-Christian disease.
mesh_terms: D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D004803:Eosinophilic Granuloma / Q000473:pathology; D005500:Follow-Up Studies; D006646:Histiocytosis, Langerhans-Cell / Q000175:diagnosis* / Q000473:pathology / Q000628:therapy; D006801:Humans; D008297:Male; D008416:Mastoid / Q000473:pathology; D008417:Mastoiditis / Q000175:diagnosis*; D011379:Prognosis