Abstract
SUMMARY: In this report, we present the fatal spontaneous delayed rupture of a previously unruptured large PICA aneurysm following treatment with the PED. Pathology at postmortem examination has supported the theory that intra-aneurysmal thrombus may acutely destabilize the aneurysm wall. Aneurysms with an anatomic arrangement that promote continued flow into the neck may not be optimal candidates for the flow-diversion treatment strategy.
ABBREVIATIONS:
- AAA
- abdominal aortic aneurysm
- AS
- anterior spinal artery
- B
- basilar
- HE
- hematoxylin-eosin
- ILT
- intraluminal thrombus
- LAIC
- left anterior inferior cerebellar artery
- LV
- left vertebral artery
- M
- medulla
- MRA
- MR angiography
- P
- pons
- PED
- Pipeline Embolization Device
- PICA
- posterior inferior cerebellar artery
- pO2
- partial pressure of oxygen
- POD
- postoperative day
- RPIC
- right posterior inferior cerebellar artery
- RV
- right vertebral artery
- © 2012 by American Journal of Neuroradiology
In this issue
Delayed Spontaneous Rupture of a Posterior Inferior Cerebellar Artery Aneurysm Following Treatment with Flow Diversion: A Clinicopathologic Study
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