Intracranial pseudoaneurysms
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Intracranial pseudoaneurysms. These are false aneurysms that make up 1% of adult aneurysms. Fully referenced neurology checklist.
Pathogenesis
- These are false aneurysms that make up 1% of adult aneurysms
- They are communications between encapsulated hematomas and ruptured arteries
- They are friable and prone to rupture
Iatrogenic causes
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Other causes
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Clinical features: intracranial haemorrhages
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Clinical features: others
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Investigations: digital subtraction angiography (DSA)
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Investigations: lesser sensitive options
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Treatment
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References
- Zheng Y, Lu Z, Shen J, Xu F. Intracranial pseudoaneurysms: evaluation and management. Front Neurol 2020; 11:582.
- Ding H, You C, Yin H. Nontraumatic and noninfectious pseudoaneurysms on the circle of Willis: 2 case reports and review of the literature. Surg Neurol 2008; 69:414-417.
- Akamatsu Y, Sugawara T, Mikawa S, et al. Ruptured pseudoaneurysm following gamma knife surgery for a vestibular schwannoma. J Neurosurg 2009; 110:543-546.
- Zanaty M, Chalouhi N, Jabbour P, Starke RM, Hasan D. The unusual angiographic course of intracranial pseudoaneurysms. Asian J Neurosurg 2015; 10:327-330.
