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Treatment of two blood blister-like aneurysms with flow diverter stenting
  1. Arturo Consoli1,
  2. Sergio Nappini2,
  3. Leonardo Renieri1,
  4. Nicola Limbucci3,
  5. Fabrizio Ricciardi2,
  6. Salvatore Mangiafico2
  1. 1Department of Radiology, Careggi University Hospital, Florence, Italy
  2. 2Department of Interventional Neuroradiology, Careggi University Hospital, Florence, Italy
  3. 3Department of Interventional Radiology and Neuroradiology, ‘Santo Spirito’ Hospital, Pescara, Italy
  1. Correspondence to Dr Arturo Consoli, Department of Radiology, Careggi University Hospital, Largo Brambilla, 3, Florence 50134, Italy; onemed21{at}


Purpose Neurosurgical and endovascular treatment of fragile and recurrent aneurysms of the non-branching portion of the internal carotid artery, known as blister-like aneurysms, is challenging. The aim of this paper is to describe two cases of ruptured blister-like aneurysms of the internal carotid artery and of the vertebral artery at the origin of the postero-inferior cerebellar artery, which were both treated with flow diverter (FD) stents.

Methods Two patients with a sub-arachnoid hemorrhage secondary to the rupture of a blister-like aneurysm were treated with a Pipeline (ev3, Irvine, California, USA) stent. Digital subtraction angiography and clinical follow-up were carried out.

Results Both patients treated with FD stents had an excellent clinical (modified Rankin Scale, mRS 0) and angiographic outcome. In both cases the aneurysms were completely excluded after 6 months.

Conclusions Although the use of this endovascular approach is still debated because of poor experience and pharmacological limitations, FD stents may represent a valid alternative approach for treatment of this aneurysm subtype.

  • Blister like aneurysm
  • flow diverter stent
  • endovascular treatment
  • Sub-arachnoid Hemorrhage
  • internal carotid artery
  • subarachnoid
  • aneurysm
  • angiography
  • intervention
  • stent

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  • Competing interests None.

  • Patient consent Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.