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Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
Published on: September 25, 2009
Giant cavernous aneurysm associated with a persistent trigeminal artery and persistent otic artery
Chang-wei Zhang1, Xiao-dong Xie, Zhi-gang Yang
1Department of Radiology, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China.
Korean Journal of Radiology
|September 2, 2009
Summary
A rare case of primitive trigeminal artery (PTA) and primitive otic artery (POA) was found in an adult woman with a giant cavernous aneurysm. These arteries originated directly from the aneurysm sac, complicating treatment.
Area of Science:
- Vascular neurosurgery
- Cerebral vascular anatomy
- Interventional neuroradiology
Background:
- Primitive trigeminal artery (PTA) and primitive otic artery (POA) are rare congenital vascular anomalies.
- Their persistence into adulthood is exceptionally uncommon.
Observation:
- A 54-year-old woman presented with a giant unruptured cavernous aneurysm.
- Co-existing primitive trigeminal artery and primitive otic artery were identified.
Findings:
- The PTA and POA originated directly from the aneurysm sac.
- This anatomical variation presented unique challenges for endovascular therapy.
Implications:
- This case highlights the importance of recognizing rare vascular variations.
- Understanding these anomalies is crucial for planning complex endovascular procedures.
- Management strategies for aneurysms with directly arising primitive arteries require careful consideration.
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