Turner Syndrome and Occlusion of the Internal Carotid Artery

Abstract

A 2-year-old girl with Turner syndrome was admitted with left hemiplegia and left facial palsy. Serial cranial computed tomographic scan demonstrated multiple cerebral infarctions in the right putamen and right medial cortical areas. Single photon emission computed tomographic scan revealed hypoperfusion from the right frontal to the right temporal area. Right carotid angiography showed narrowing and occlusion of the right internal carotid artery at the sphenoidal portion. Collateral circulation was not detected between the external and internal carotid arteries. Left carotid angiography revealed that the left anterior artery was narrow, and that the left internal carotid artery provided blood to the right internal carotid artery through the anterior communicating artery. These findings suggested that the cerebrovascular abnormality might be due to congenital hypoplasia of arteries in this patient. The unusual combination of cerebral infarction and Turner syndrome was reported. (J Child Neurol 1993;8:412-415).

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