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Angiographic documentation of a persistent otic artery
Aman B Patel1, Chirag D Gandhi, Joshua B Bederson
1Department of Neurosurgery, the Mount Sinai School of Medicine, New York, New York 10029-6574, USA.
AJNR. American Journal of Neuroradiology
|January 21, 2003
Summary
The persistent otic artery, a rare fetal remnant, is documented via angiography for only the second time. This case is the first to link this rare artery to multiple intracranial aneurysms.
Area of Science:
- Vascular anatomy
- Embryology
- Neurology
Background:
- The persistent otic artery is a rare embryonic remnant of fetal circulation.
- Its documentation in medical literature, particularly via angiography, is exceptionally scarce.
- Other persistent fetal arteries, like the trigeminal and hypoglossal, are known associations with vascular anomalies.
Observation:
- This report details the second documented case of a persistent otic artery identified through angiography.
- The patient presented with multiple intracranial aneurysms, a previously undocumented association.
Findings:
- Angiography confirmed the presence of a persistent otic artery.
- The case uniquely demonstrates the coexistence of a persistent otic artery and multiple intracranial aneurysms.
Implications:
- This finding expands the known spectrum of vascular anomalies associated with persistent fetal arteries.
- It highlights the importance of recognizing rare vascular variants in neurovascular imaging.
- Further research may elucidate the embryological link between persistent otic artery and aneurysm formation.