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Hypoglossal Artery Associated with Internal Carotid Stenosis

X-Ray Department, Central Middlesex Hospital, London, N.W.10

This excerpt was created in the absence of an abstract.

The hypoglossal artery arises from the internal carotid in the neck as an anomalous vessel which enters the cranial cavity through the anterior condylar canal to join the basilar artery. It is thought to be formed at least partially by persistence of the hypoglossal artery of the early foetus (Morris and Moffat, 1956). This form of carotid-basilar anastomosis has been found during life by carotid arteriography and described by Begg (1961) and by Breutman and Fields (1963). As suggested by Begg (1961) the presence of this vessel could become clinically important if combined with an obstructive lesion proximally in the carotid system. The purpose of this article is to describe such a case.

A woman, aged 57, was admitted to the Central Middlesex Hospital on 9.10.56 in a confused state. She had been so for three days, after five days of vague ill-health and weakness in the right arm. She was advised to stay in bed. Her husband reported that during the three days before her admission to hospital she had complained of frontal headache and blurred vision. On one occasion he found her out of bed swaying on her feet.

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				G. Khodadad Competency of the Vertebral and Posterior Communicating Arteries in Persistent Trigeminal and Hypoglossal Arteries Vascular and Endovascular Surgery, May 1, 1978; 12(3): 164 - 175. [PDF]