title: Blister-Like Aneurysms: Report of Successful Surgical Treatment of Consecutive Cases and Review of the Literature.
abstract: BACKGROUND
  Blister-like aneurysms (BAs) are usually defined as arterial lesions arising from nonbranching sites on intracranial arteries. Because of specific peculiarities such as different pathophysiology, fragility of the aneurysmal wall, high risk of intraoperative bleeding, and high probability of losing parent vessel patency, their treatment is controversial, and both endovascular and surgical options have been reported.
  
  
  METHODS
  From 2006 to 2015 (10 years), 7 aneurysms in 6 patients were treated. We retrospectively reviewed the records of these patients to analyze clinical pictures and outcomes, which are expressed as modified Rankin Score.
  
  
  RESULTS
  In our sample of 7 aneurysms in 6 patients, all BAs were successfully treated (complete exclusion in 100% on follow-up angiography). A good outcome (modified Rankin Score = 0) was achieved in all patients, with no difference related to aneurysm size and location. There was no mortality.
  
  
  CONCLUSIONS
  Surgical treatment of BAs may be effective and have acceptable complications and outcomes.
authors.affiliation: Department of Neurosurgery, Hospital do Servidor Público Estadual de São Paulo, IAMSPE, São Paulo, Brazil; Department of Neurosurgery, Hospital Sirio Libanês, São Paulo, Brazil; Department of Neurosurgery, DFV Neuro, São Paulo, Brazil.
authors.forename: Felix Hendrik
authors.initials: FH
authors.lastname: Pahl
authors.affiliation: Department of Neurosurgery, Hospital do Servidor Público Estadual de São Paulo, IAMSPE, São Paulo, Brazil; Department of Neurosurgery, Hospital Sirio Libanês, São Paulo, Brazil; Department of Neurosurgery, DFV Neuro, São Paulo, Brazil. Electronic address: mafernoliv@yahoo.com.br.
authors.forename: Matheus Fernandes
authors.initials: MF
authors.lastname: de Oliveira
authors.affiliation: Department of Neurosurgery, Hospital Sirio Libanês, São Paulo, Brazil; Department of Neurosurgery, DFV Neuro, São Paulo, Brazil.
authors.forename: Marcos de Queiroz
authors.initials: Mde Q
authors.lastname: Teles Gomes
authors.affiliation: Department of Neurosurgery, Hospital Sirio Libanês, São Paulo, Brazil; Department of Neurosurgery, DFV Neuro, São Paulo, Brazil.
authors.forename: Alberto Carlos
authors.initials: AC
authors.lastname: Capel Cardoso
authors.affiliation: Department of Neurosurgery, Hospital do Servidor Público Estadual de São Paulo, IAMSPE, São Paulo, Brazil.
authors.forename: José Marcus
authors.initials: JM
authors.lastname: Rotta
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D002532:Intracranial Aneurysm / Q000000981:diagnostic imaging / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D019635:Neurosurgical Procedures; D012189:Retrospective Studies
keywords: Endovascular; Intracranial aneurysm; Surgery; Treatment