Endovascular Treatment of Isolated Dissecting Aneurysm of the Posterior Inferior Cerebellar Artery
S. Maimona,
E. Saraf-Lavia,
Z.H. Rappaportb and
G. Bachara
a From the Department of Radiology, Interventional Neuroradiology Unit, Rabin Medical Center, Beilinson Campus, Petach Tikva, affiliated with the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
b Department of Neurosurgery, Rabin Medical Center, Beilinson Campus, Petach Tikva, affiliated with the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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Fig 1. Case 1. Images of a 48-year-old woman with a dissecting aneurysm of the right PICA.
A, Angiogram shows a dissecting aneurysm arising from the lateral medullary segment of the right PICA (arrow).
B, Angiogram obtained after embolization of the dissecting aneurysmatic segment with coils (arrow).
C and D, Control angiogram shows complete obliteration of the dissecting aneurysmatic segment with preservation of the anterior medullary segment (arrow, C) and distal filling from the AICA (arrowhead, D).
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Fig 2. Case 4. Images of a 33-year-old man with a dissecting aneurysm of a left AICA-PICA configuration.
A, Angiogram shows dissecting aneurysm arising from a hemispheric branch of a left AICA-PICA (arrow).
B, Angiogram obtained 3 months after embolization shows reopening of the aneurysm (arrow).
C and D, Selective test occlusion by using a GDC coil (arrow) shows distal filling via collaterals (arrowhead, D).
E, Selective injection to the PICA shows the location of the GDC coils used for the test occlusion (arrow).
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