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Revista de la Facultad de Medicina
versión impresa ISSN 0120-0011
Resumen
VEJARANO, Paula Andrea et al. Anatomical variations of the origin of the labyrinthine artery in a brains sample in Colombia. rev.fac.med. [online]. 2019, vol.67, n.2, pp.221-224. ISSN 0120-0011. https://doi.org/10.15446/revfacmed.v67n2.68112.
Introduction:
The labyrinthine artery runs through the internal auditory meatus until the inner ear, providing irrigation. Two possible anatomical variants of its origin have been described: as a direct branch of the basilar artery or as a branch of the anterior inferior cerebellar artery.
Objective:
To identify the prevalence of labyrinthine artery origin.
Materials and methods:
A descriptive analytical study on the origin of the labyrinthine artery was carried out using quantitative methods in a sample of 29 brains obtained by convenience sampling.
Results:
It was established that the labyrinthine artery originated from the basilar artery in 22 (75.9%) brains; in the remaining 7 (24.1%), it emerged as a branch of the anterior inferior cerebellar artery.
Conclusion:
The origin of the labyrinthine artery in the selected sample has a higher prevalence in the basilar artery than in the anterior inferior cerebellar artery, finding that resembles some investigations contrasted with this study.
Palabras clave : Anatomic Variation; Basilar Artery; Ear, Inner; Brain; Prevalence (DeCS).
