ArticleCase reports in neurological medicine2014
Thrombosed large distal posterior inferior cerebellar artery aneurysm mimicking an infratentorial ependymoma.
Article in Case reports in neurological medicine, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 14 citations in OpenAlex.
- When an aneurysm pretends to be a tumor: thrombosed posterior inferior cerebellar artery aneurysm mimicking a neoplasm in a pediatric patient. Illustrative case.Journal of neurosurgery. Case lessons · 2025Article
- Article
- Ring enhanced aneurysm due to vasa vasorum of aneurysm wall mimicking a metastatic brain tumor.Surgical neurology international · 2021Article
- Distal middle cerebral artery dissection with concurrent completely thrombosed aneurysm manifesting as cerebral ischemia. A case report and review of the literature.Radiology case reports · 2020Article
- Clinical Importance of the Posterior Inferior Cerebellar Artery: A Review of the Literature.International journal of medical sciences · 2020Review
- Thrombosed large middle cerebral artery aneurysm mimicking an intra-axial brain tumor: case report and review of literature.Brain tumor research and treatment · 2015Article
- A completely thrombosed, nongiant middle cerebral artery aneurysm mimicking an intra-axial neoplasm.Surgical neurology international · 2015Article
- Spontaneous thrombosis in giant aneurysm of the anterior communicating artery complex in pediatric age: five-year follow-up.Case reports in vascular medicine · 2014Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Large or giant intracranial aneurysms can simulate brain tumors clinically and radiologically by virtue of their progressive mass effect. Unlike aneurysms from alternative locations, those arising from the distal posterior inferior cerebellar artery (PICA) are uncommon. We report a patient who experienced progressive hemiparesis with magnetic resonance imaging findings suggestive of an infratentorial ependymoma. Intraoperatively, a thrombosed large aneurysm of the distal PICA was unexpectedly encountered. The aneurysm was clipped and the patient did not develop any permanent neurological deficit. This case illustrates the radiological nuances of large aneurysms and infratentorial ependymomas. Three-dimensional contrast-enhanced magnetic resonance angiography can be falsely negative and the importance of the "target" sign is emphasized. One should be cognizant of this possible diagnosis for patients with midline fourth ventricular lesions in order to reduce surgical risk.
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