Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2023 Sep 8;12(18):5840. doi: 10.3390/jcm12185840

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Graphical illustration of the surgical corridors of MTAs, EEAs, and ETOAs and anatomical classes of SOMs. (A) Anterolateral view of a skull: MTAs (green arrow), EEAs (blue arrow), and ETOAs (red arrow). (B) Supero-posterolateral view of the skull base. MTAs can provide several surgical corridors to different portion of the spheno-orbital region, including cavernous sinus, SOF and orbital apex, and anterior cranial fossa. SOMs anatomical classes are also here represented: anatomical class I (lateral or superolateral SOMs), II (medial or inferomedial SOMs), III (orbital apex SOMs), and IV (diffuse SOMs).