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Surgical Anatomy of the Neck
Published in R James A England, Eamon Shamil, Rajeev Mathew, Manohar Bance, Pavol Surda, Jemy Jose, Omar Hilmi, Adam J Donne, Scott-Brown's Essential Otorhinolaryngology, 2022
The prevertebral fascia encompasses the posterior neck muscles, the scalenes and the vertebrae. The alar fascia is a layer of fascia anterior to the prevertebral fascia, extending from the skull base to level of second thoracic vertebra.
Neck Space Infections
Published in John C Watkinson, Raymond W Clarke, Terry M Jones, Vinidh Paleri, Nicholas White, Tim Woolford, Head & Neck Surgery Plastic Surgery, 2018
The alar fascia is a component of the deep layer of deep cervical fascia although it is described separately from it as it lies between the deep and middle layers of deep cervical fascia (Figure 40.2).2
Upgraded hydrodissection and its safety enhancement in microwave ablation of papillary thyroid cancer: a comparative study
Published in International Journal of Hyperthermia, 2023
Zhen-Long Zhao, Ying Wei, Li-Li Peng, Yan Li, Nai-Cong Lu, Jie Wu, Ming-An Yu
In the present study, a total of three anatomical perithyroidal fascial spaces were hydrodissected with an improved protocol for separating thyroid lobes far from adjacent vital structures and guaranteeing a safe procedure. These spaces included: (1) the anterior cervical space (ACS), which is located between the infrahyoid muscles (infrahyoid fascia) and thyroid (visceral fascia), and could protect infrahyoid muscles and the carotid sheath from heat injury after hydrodissection; (2) the visceral space (VS), which is between the thyroid and trachea and could protect the trachea, esophagus, RLN, and superior laryngeal nerve (SLN) after hydrodissection; and 3) the post-thyroid space (POTS), which is posterior to the thyroid and carotid sheath and includes the retropharyngeal space and/or danger space (surrounded by the alar fascia, buccopharyngeal fascia, and prevertebral fascia); this space could protect the carotid sheath, RLN and stellate ganglion. The VS at the level of the suspensory ligament of the thyroid gland could not be hydrodissected because of the suspensory ligament. A schematic of the spaces is shown in Figure 2.
Unilateral lag screw fixation of isolated non-union atlas lateral mass fracture: a new technical note
Published in British Journal of Neurosurgery, 2019
Majid Reza Farrokhi, Arash Kiani, Hamid Rezaei
Soft tissues anterior to the atlas form a border with a mean thickness of 4–7 mm between the vertebrae and nasopharynx. The ligaments in this region include buccopharyngeal (visceral) fascia, alar fascia and prevertebral fascia.22 Considering the 3 mm anterior extrusion of the screw, it could be concluded that it was safe. Post-operative CT scan revealed total fracture reduction and no complications were observed during the hospital course and even afterwards.