Middle Cerebral Artery Aneurysm: Treatment of a Large Unruptured Partially Calcified and Thrombosed Dissecting Middle Cerebral Artery Aneurysm with a FRED Jr. Flow Diversion Device; Technical Aspects and Follow-Up Results

  • Noel P. Schechtman
  • Ivan Lylyk
  • Rodolfo Nella Castro
  • Pedro LylykEmail author
Living reference work entry


A large, unruptured, partially calcified and thrombosed, dissecting aneurysm of the M1 segment of the right middle cerebral artery (MCA) was found in a 21-year-old female patient with recurrent episodes of headaches. It was treated by endovascular reconstruction using a FRED Jr. flow diverter. The procedure was well tolerated and the patient experienced no clinical complications. Follow-up examinations confirmed the complete exclusion of the aneurysm. Treatment of such aneurysms remains a challenge whether using microsurgical or endovascular strategies. The feasibility of flow diversion in large and partially thrombosed dissecting MCA aneurysms is the main topic of this chapter.


Middle cerebral artery FRED Jr. Flow diverter Large aneurysm Dissecting aneurysm 


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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Noel P. Schechtman
    • 1
  • Ivan Lylyk
    • 1
  • Rodolfo Nella Castro
    • 1
  • Pedro Lylyk
    • 1
    Email author
  1. 1.Clínica La Sagrada Familia, ENERIBuenos AiresArgentina

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