title: Erdheim-Chester disease.
abstract: BACKGROUND
  Erdheim-Chester disease is a rare non-Langerhans' cell histiocytosis.
  
  
  OBJECTIVE
  This case report is presented to familiarize clinicians with Erdheim-Chester disease and its differential diagnosis.
  
  
  CONCLUSIONS
  Erdheim-Chester disease presents with unique clinical and pathologic findings. Its xanthoma-like lesions can cause significant morbidity and mortality.
authors.affiliation: Department of Pathology, The Milton S. Hershey Medical Center, Penn State University, Hershey, Pennsylvania, USA.
authors.forename: Susan E
authors.initials: SE
authors.lastname: Lenahan
authors.forename: Klaus F
authors.initials: KF
authors.lastname: Helm
authors.forename: Kenneth D
authors.initials: KD
authors.lastname: Hopper
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D031249:Erdheim-Chester Disease / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008297:Male; D014057:Tomography, X-Ray Computed