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Case series
Endovascular parent artery occlusion of proximal posterior cerebral artery aneurysms: a report of two cases
  1. Hidenori Oishi1,2,
  2. Shunsuke Tanoue1,
  3. Kosuke Teranishi2,
  4. Hiroshi Hasegawa2,
  5. Senshu Nonaka2,
  6. Shunsuke Magami2,
  7. Munetaka Yamamoto2,
  8. Hajime Arai2
  1. 1Department of Neuroendovascular Therapy, Juntendo University School of Medicine, Tokyo, Japan
  2. 2Department of Neurosurgery, Juntendo University School of Medicine, Tokyo, Japan
  1. Correspondence to Dr H Oishi, Department of Neurosurgery, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; ohishi{at}juntendo.ac.jp

Abstract

We report two cases of proximal posterior cerebral artery (PCA) aneurysms treated with endovascular parent artery occlusion (PAO) with coils. In both cases, selective injection from the 4 F distal access catheter clearly showed the perforating arteries arising from the PCA. Case No 1, a 49-year-old woman, was successfully treated with preservation of a paramedian artery. Case No 2, a 54-year-old woman, was treated in the same manner. The patient underwent extensive thalamic infarction after the procedure because of paramedian artery occlusion. Endovascular PAO with coils is feasible for proximal PCA aneurysms; however, preservation of perforating arteries arising from the PCA is mandatory.

  • Aneurysm
  • Coil
  • Intervention
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