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Journal of Korean Neurosurgical Society > Volume 49(5); 2011 > Article
Journal of Korean Neurosurgical Society 2011;49(5): 290-291.
doi: https://doi.org/10.3340/jkns.2011.49.5.290
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.
ABSTRACT
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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