title: Orbital metastasis mimicking subperiosteal abscess.
abstract: OBJECTIVE
  To report a case of prostate cancer metastatic to the orbit that was initially misdiagnosed as orbital cellulitis with a subperiosteal abscess.
  
  
  METHODS
  Case report.
  
  
  CONCLUSIONS
  Metastatic disease should be considered in the differential diagnosis of orbital cellulitis, especially when key clinical features such as sinusitis are absent.
authors.affiliation: Oculoplastic and Orbital Surgery Service, Wills Eye Institute, Philadelphia, PA 19107, USA. behin.barahimi@gmail.com
authors.forename: Behin
authors.initials: B
authors.lastname: Barahimi
authors.forename: Avni
authors.initials: A
authors.lastname: Patel
authors.forename: Jurij R
authors.initials: JR
authors.lastname: Bilyk
mesh_terms: D000038:Abscess / Q000175:diagnosis* / Q000188:drug therapy; D000368:Aged; D001707:Biopsy, Needle; D003937:Diagnosis, Differential; D018450:Disease Progression; D017809:Fatal Outcome; D006801:Humans; D007150:Immunohistochemistry; D008297:Male; D009367:Neoplasm Staging; D054517:Orbital Cellulitis / Q000175:diagnosis* / Q000188:drug therapy; D009918:Orbital Neoplasms / Q000473:pathology / Q000532:radiotherapy / Q000556:secondary*; D010166:Palliative Care / Q000379:methods*; D011468:Prostatectomy / Q000379:methods; D011471:Prostatic Neoplasms / Q000473:pathology / Q000532:radiotherapy / Q000556:secondary* / Q000601:surgery; D018714:Radiotherapy, Adjuvant; D016312:Treatment Refusal