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. 2002 Jan;37(1):24-6.

[Angiographic study of dangerous anastomasis of the external carotid artery]

[Article in Chinese]
Denggao Liu  1 , Xuchen Ma, Baomin Li
Affiliations
  • PMID: 11955355

[Angiographic study of dangerous anastomasis of the external carotid artery]

[Article in Chinese]
Denggao Liu et al. Zhonghua Kou Qiang Yi Xue Za Zhi. 2002 Jan.

Abstract

Objective: To investigate the dangerous anastomasis between the external carotid artery and the intracranial arteries.

Methods: Angiograms of the external carotid artery in 250 cases were analyzed, including 35 cases of moyamoya and 215 cases of head and neck lesions.

Results: The 35 cases of moyamoya, 14 middle meningeal arteries (MMA) were found to participate in the blood supply of the brain. In addition, 11 superficial temporal arteries and 7 occipital arteries supplied the brain. All the cases with ligated external carotid artery (ECA) had the pharyngo-occipital anastomasis. Moreover, the ophthalmic arteries in three cases were found to originate from the MMA.

Conclusions: The external carotid artery has a variety of anastomasis with the internal carotid artery (ICA) and the vertebral artery. Under such circumstances, special measures must be taken to circumvent inadvertent intracranial embolization.

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