title: Abscess Formation in a Nonfunctioning Pituitary Adenoma.
abstract: BACKGROUND
  Pituitary abscesses are rare clinical entities that can occur in the setting of a normal gland or underlying disease, including adenoma, craniopharyngioma, or Rathke cleft cyst. Although once believed to be indolent, when these secondary abscesses occur in the setting of an adenoma, they can be associated with significant clinical morbidity. Most patients present with visual disturbances or headache without fever or meningitis.
  
  
  METHODS
  We present the case of a 63-year-old woman with remote history of Staphylococcus osteomyelitis who presented with 1 week of diplopia, partial left third nerve palsy, and bitemporal hemianopsia who was found to have a pituitary abscess in the setting of an adenoma. She underwent drainage of the abscess and resection of her adenoma followed by complete resolution of her symptoms.
  
  
  CONCLUSIONS
  This case highlights the need for prompt treatment of pituitary abscesses, with the possibility of excellent neurologic recovery.
authors.affiliation: Department of Neurological Surgery, University of California, San Francisco, California, USA. Electronic address: michael.safaee@ucsf.edu.
authors.forename: Michael M
authors.initials: MM
authors.lastname: Safaee
authors.affiliation: Department of Neurological Surgery, University of California, San Francisco, California, USA.
authors.forename: Lewis
authors.initials: L
authors.lastname: Blevins
authors.affiliation: Department of Pathology, University of California, San Francisco, California, USA.
authors.forename: Christopher S
authors.initials: CS
authors.lastname: Liverman
authors.affiliation: Department of Neurological Surgery, University of California, San Francisco, California, USA.
authors.forename: Philip V
authors.initials: PV
authors.lastname: Theodosopoulos
mesh_terms: D000236:Adenoma / Q000175:diagnosis* / Q000209:etiology / Q000601:surgery*; D001922:Brain Abscess / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008875:Middle Aged; D010911:Pituitary Neoplasms / Q000175:diagnosis* / Q000209:etiology / Q000601:surgery*; D013203:Staphylococcal Infections / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D016896:Treatment Outcome
keywords: Abscess; Adenoma; Pituitary