Regarding the airway anatomy, it has been assumed that the esophagus is located behind a cricoid cartilage, and that this in turn, is located in front of the cervical spine in an axial plane, however, when computed axial tomography has been performed, controversial findings have been obtained.
Respecto a la anatomía de la vía aérea, se ha asumido que el esófago está localizado detrás del cartílago cricoides, y éste, a su vez, está por delante de la columna cervical a lo largo de un plano axial; sin embargo, cuando se han realizado estudios de tomografía computarizada, se han observado hallazgos controversiales.