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A rare case report of a mixed persistent proatlantal intersegmental artery
Gao-Ting Ma1, Zi-Xian Zhang2, Yi-Ming Deng3
1Department of Neurology, Qianfoshan Hospital Affiliated to Shandong University, China.
Abstract:
Adults with persistent proatlantal intersegmental artery (PPIA) are rarely seen. We present a case of a special type of PPIA that was in a 57-year-old man who presented with dizziness and episodic vertigo of 9 months duration. The diagnosis relied on computed tomography angiography and digital subtraction angiography, by which a left internal carotid artery stenosis and an ipsilateral PPIA originating from the external carotid artery (ECA) was found. This special type of PPIA can be described as a ''mixed PPIA'' that originated as Type II from the ECA and coursed as Type I. The patient underwent carotid artery stenting and had no relapse during 3 months follow-up. In addition, the literatures on PPIA were reviewed.
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