The ascending pharyngeal artery and its relevance for neurosurgical and endovascular procedures

Neurosurgery
Daniel D CavalcantiMark C Preul

Abstract

The ascending pharyngeal artery (APA), a branch of the external carotid artery (ECA), supplies the lower cranial nerves, superior cervical ganglion, and nasopharyngeal structures. The APA can also supply blood to various intracranial lesions. We studied the anatomy of the APA in the context of its neurosurgical and endovascular relevance. The cervical origin, branching pattern, and course of the APA were studied in 20 human cadaveric craniocervical sides. The diameter of the APA, the extension of its main trunk, and the distance of its origin from the common carotid artery bifurcation were measured. The relationships between the APA and surrounding structures were also observed. In 80% of the specimens, the APA originated from the ECA. It originated from its medial wall in 56% and from the posterior wall in 44%. The APA originated from the internal carotid artery, common carotid artery bifurcation, occipital artery, and a trunk common to the lingual and facial arteries in 5% each. The APA was usually the third branch of the ECA (40%). The mean distance from the origin of the APA to the common carotid artery bifurcation was 15.3 mm (range, 0-32; standard deviation, +/- 8.3 mm). The APA was frequently the second smallest branch o...Continue Reading

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Citations

Dec 26, 2013·Surgical and Radiologic Anatomy : SRA·Juan E SmallEvan Watkins
Feb 6, 2013·Annals of Vascular Surgery·Severiano Cortés-FrancoTomas Ruiz
Apr 26, 2013·Neurologia Medico-chirurgica·Tetsuo SasakiShigeaki Kobayashi
Sep 2, 2016·Journal of Neurointerventional Surgery·Bradley A GrossCameron G McDougall
Jul 17, 2019·Journal of Neurointerventional Surgery·Guilherme BarrosMichael R Levitt

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