두통과 현훈을 호소한 환자에서 우연히 발견된 Proatlantal Intersegmental Artery Ⅱ
The proatlantal intersegmental artery Ⅱ incidentally found in a patient presented with headache, dizziness
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During early development of the embryo, several transient anastomotic channels are developed from the carotid system to supply vertebrobasilar system. Persistence of these vessels is noted rarely after birth. Among them, proatlantal intersegmental artery I&Ⅱ, which arese from the external or internal carotid artery, is rare. So we report a case of proatlantal intersegmental artery type Ⅱ presenting nonspecific headache and dizziness which was not associated with primitive vascular channel.
Abstract
During early development of the embryo, several transient anastomotic channels are developed from the carotid system to supply vertebrobasilar system. Persistence of these vessels is noted rarely after birth. Among them, proatlantal intersegmental artery I&Ⅱ, which arese from the external or internal carotid artery, is rare. So we report a case of proatlantal intersegmental artery type Ⅱ presenting nonspecific headache and dizziness which was not associated with primitive vascular channel.