Abstract:
:The authors describe the surgical anatomy for the endoscopic endonasal approach (EEA) to the ventrolateral skull base. The ventrolateral skull base can be divided into two segments: the upper lateral and lower lateral skull base. The upper lateral skull base includes the cavernous sinus and the orbit, while the lower lateral skull base includes the petrous apex, Meckel's cave, parapharyngeal space, infratemporal fossa, etc. To gain access to the upper lateral skull base, a simple opening of the ethmoid sinus provides sufficient exposure of this area. To reach the lower lateral skull base, a transpterygoid approach, following ethmoidectomy, is a key procedure providing wide exposure of this area. Understanding of surgical anatomy is mandatory for treating ventrolateral skull base lesions via EEA. An appropriate, less-invasive approach should be applied depending on the size, location, and type of lesion.
journal_name
Neurol Med Chir (Tokyo)journal_title
Neurologia medico-chirurgicaauthors
Oyama K,Tahara S,Hirohata T,Ishii Y,Prevedello DM,Carrau RL,Froelich S,Teramoto A,Morita A,Matsuno Adoi
10.2176/nmc.ra.2017-0039subject
Has Abstractpub_date
2017-10-15 00:00:00pages
534-541issue
10eissn
0470-8105issn
1349-8029journal_volume
57pub_type
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