Affiliation:
1. From the Department of Otolaryngology, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
2. and the Department of Otolaryngology, Sun Yat-Sen Cancer Center, Taipei, Taiwan
Abstract
In this investigation we dissected 3 cadavers with the lateral cervical approach to assess the usefulness of the transverse process of the atlas (TPA) as a reference guide in the upper lateral neck. Our results indicate that all the important structures in this space can be identified systematically. Lateral to the TPA sits the posterior belly of the digastric muscle, the stylohyoid muscle, and the occipital artery. Anterior to the TPA, the styloid process can be exposed. The internal jugular vein and cranial nerves X, XI, and XII sit between the styloid process and the TPA. Superior to the TPA, tracing the carotid sheath upward, the carotid canal and jugular foramen can be reached. Anteroinferior to the jugular foramen, the hypoglos-sal nerve emerges from the cranial cavity through the hypoglossal canal. Posterior to the TPA, the sub-occipital triangle can be recognized. Within the triangle, the vertebral artery and its accompanying venous complex can be identified.
Subject
Otorhinolaryngology,Surgery
Cited by
15 articles.
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