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Case report
Republished: Subarachnoid hemorrhage then thrombosis of posterior inferior cerebellar artery dissection: is early surgical exploration warranted?
  1. Nikita G Alexiades1,
  2. Jason A Ellis1,
  3. Philip M Meyers2,
  4. E Sander Connolly Jr1
  1. 1Department of Neurological Surgery, Columbia University Medical Center, New York, New York, USA
  2. 2Department of Radiology and Neurological Surgery, Columbia University, New York, New York, USA
  1. Correspondence to Dr J A Ellis, jae2109{at}


The natural history of spontaneous cerebral artery dissection and thrombosis remains uncertain. Concurrent subarachnoid hemorrhage further complicates the therapeutic approach. Thus the best strategy for managing patients with acute vessel thrombosis in the setting of subarachnoid hemorrhage is unclear. Here we present a case of spontaneous posterior inferior cerebellar artery dissection presenting with subarachnoid hemorrhage and acute thrombosis. Although the patient was initially managed conservatively, angiographic follow-up demonstrated recanalization of the diseased vessel, necessitating definitive treatment. Thus we propose that angiographic follow-up is necessary in the management of patients with subarachnoid hemorrhage in association with apparent vessel thrombosis.

  • Aneurysm
  • Angiography
  • Artery
  • Dissection
  • Hemorrhage

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