Persistent primitive olfactory artery connected with middle cerebral artery: case report.
1Department of Neurosurgery, Seoul Paik Hospital, Inje University College of Medicine, 85 Jeo-dong 2-ga, Jung-gu, Seoul, 100-032, Korea, hanibalkms@hanmail.net.
Surgical and Radiologic Anatomy : SRA
|June 18, 2013
Summary
A rare persistent primitive olfactory artery (PPOA) variation was observed, originating from the anterior cerebral artery (ACA) and connecting to the middle cerebral artery (MCA). This anatomical anomaly, seen in only two reported cases, highlights unusual cerebral vasculature.
Area of Science:
- Neurology
- Vascular Anatomy
- Radiology
Background:
- The persistent primitive olfactory artery (PPOA) is a rare anatomical variation of the anterior cerebral artery (ACA).
- Typically, PPOA connects to the distal ACA or ethmoidal artery.
- Understanding variations in cerebral vasculature is crucial for neurosurgical and neurological assessments.
Observation:
- This report details a unique case of PPOA connected to the middle cerebral artery (MCA).
- The patient presented with headache, prompting radiological investigation.
- Computed tomography-angiography visualized the anomalous vessel originating from the distal ACA.
Findings:
- The anomalous vessel coursed anteromedially along the olfactory tract.
- It then took an abrupt turn to become the MCA.
- This specific ACA-to-MCA PPOA connection represents an extremely rare finding, with only two documented cases in the literature.
Implications:
- This case expands the known spectrum of PPOA variations.
- Recognition of such anomalies is vital for accurate diagnosis and treatment planning in cerebrovascular diseases.
- Further research into the embryological basis and clinical significance of these rare vascular patterns is warranted.
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