title: A case of acute dacryoadenitis associated with herpes zoster ophthalmicus.
abstract: BACKGROUND
  Acute dacryoadenitis is an uncommon disease.
  
  
  METHODS
  We present what we believe to be the first reported case of herpes zoster ophthalmicus with the onset of acute dacryoadenitis.
  
  
  METHODS
  A 30-year-old man complained of severe ocular pain and hyperemia in his right eye. Magnetic resonance imaging (MRI) demonstrated enlargement of the right lacrimal gland and acute dacryoadenitis was diagnosed. Two days after treatment with systemic antibiotics he developed iridocyclitis and skin lesions confined to the first division of the trigeminal nerve; therefore, herpes zoster ophthalmicus was diagnosed. Treatment with acyclovir immediately resolved the ocular pain and swelling of the upper eyelid. MRI conducted in the 4 months after the initial examination showed there was no longer enlargement of the right lacrimal gland.
  
  
  CONCLUSIONS
  Clinicians should be aware that varicella-zoster virus may cause acute dacryoadenitis.
authors.affiliation: Department of Ophthalmology, Jichi Medical School, Tochigi, Japan.
authors.forename: Hiroto
authors.initials: H
authors.lastname: Obata
authors.forename: Satoru
authors.initials: S
authors.lastname: Yamagami
authors.forename: Shinichiro
authors.initials: S
authors.lastname: Saito
authors.forename: Osamu
authors.initials: O
authors.lastname: Sakai
authors.forename: Tadahiko
authors.initials: T
authors.lastname: Tsuru
mesh_terms: D000208:Acute Disease; D000212:Acyclovir / Q000627:therapeutic use; D000328:Adult; D000998:Antiviral Agents / Q000627:therapeutic use; D003607:Dacryocystitis / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology*; D006563:Herpes Zoster Ophthalmicus / Q000150:complications* / Q000175:diagnosis / Q000188:drug therapy; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male
chemical_list: D000998:Antiviral Agents; D000212:Acyclovir