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Case report
Republished: Spontaneous thrombosis of a basilar tip aneurysm after ventriculoperitoneal shunting
  1. Raoul Pop1,
  2. Salvatore Chibarro2,
  3. Monica Manisor1,
  4. Francois Proust2,
  5. Remy Beaujeux1
  1. 1Department of Interventional Neuroradiology, Strasbourg University Hospitals, Strasbourg, France
  2. 2Department of Neurosurgery, Strasbourg University Hospitals, Strasbourg, France
  1. Correspondence to Dr R Pop, Department of Interventional Neuroradiology, Strasbourg University Hospitals, 1 Place de l'Hopital, S/C IRCAD, Strasbourg 67091, France; pop.raoul{at}


We present a case of a large unruptured basilar tip aneurysm with concomitant hydrocephalus. Complete thrombosis of the aneurysm was observed after ventriculoperitoneal shunting. Analyzing preoperative and postoperative MRI and DSA images, we identified reduced intracranial pressure and widening of the aneurysm–artery inclination angle as possible factors influencing spontaneous thrombosis. To the best of our knowledge, this is the first report of aneurysm thrombosis occurring after CSF diversion.

  • Aneurysm
  • Hydrocephalus
  • Intracranial Pressure

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