| Diagnosis of Persistent Primitive Olfactory Artery Using Computed Tomography Angiography. |
| Myoung Soo Kim, Ghi Jai Lee |
1Department of Neurosurgery, Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea. hanibalkms@hanmail.net
2Department of Diagnostic Radiology, Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea. |
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| ABSTRACT |
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Persistent primitive olfactory artery (PPOA) is a rare anomaly of the anterior cerebral artery. We present one case of PPOA incidentally diagnosed with the aid of computed tomography (CT) angiography. A 24-year-old woman was admitted to our hospital after sudden onset of vertigo.
Three-dimensional CT angiography revealed an anomalous artery arising from the terminal portion of the right internal carotid artery. The proximal portion of the anomalous artery coursed anteromedially and made a hairpin turn posterosuperior to the midline. PPOA may be overlooked because of its rarity, but CT angiography can be useful in detecting this rare vascular anomaly. Follow-up study is necessary in our case to confirm whether an aneurysm occurs on the PPOA. |
| Key Words:
Olfactory; Artery; Persistent |
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