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Cerebral revascularization for the treatment of complex intracranial aneurysms of the posterior circulation: microsurgical anatomy, techniques and outcomes
  1. Jared M Pisapia1,
  2. Brian P Walcott2,
  3. Brian V Nahed2,
  4. Kristopher T Kahle2,
  5. Christopher S Ogilvy2
  1. 1Department of Neurological Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
  2. 2Department of Neurological Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
  1. Correspondence to Dr B P Walcott, Department of Neurosurgery, Harvard Medical School, Massachusetts General Hospital, 55 Fruit Street, White Building Room 502, Boston, MA 02114; bwalcott{at}


While the trend for endovascular therapy of posterior circulation aneurysms is permeating, cerebrovascular bypass remains essential in the armamentarium for complex lesions not amendable to these techniques. This review discusses the microsurgical anatomy of the posterior fossa intracranial circulation, as well as the techniques and outcomes related to cerebrovascular bypass.

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  • BPW and JMP contributed equally to this manuscript.

  • Competing interests None.

  • Provenance and peer review Commissioned; not externally peer reviewed.