The Onodi Cell: An Anatomic Illustration

Ali Tayebi Meybodi; Vera Vigo; Arnau Benet

doi:10.1016/j.wneu.2017.05.012

The Onodi Cell: An Anatomic Illustration

World Neurosurg. 2017 Jul:103:950.e5-950.e6. doi: 10.1016/j.wneu.2017.05.012. Epub 2017 May 11.

Authors

Ali Tayebi Meybodi¹, Vera Vigo¹, Arnau Benet²

Affiliations

¹ Skull Base and Cerebrovascular Laboratory, University of California, San Francisco, California, USA.
² Skull Base and Cerebrovascular Laboratory, University of California, San Francisco, California, USA. Electronic address: beneta@neurosurg.ucsf.edu.

PMID: 28502687
DOI: 10.1016/j.wneu.2017.05.012

Abstract

This anatomic image demonstrates the sphenoethmoidal (Onodi) cell (a variant of the paranasal sinuses), the identification of which is critical to prevent neurovascular injury during endoscopic approaches to the sella and adjacent regions of the skull base.

Keywords: Endonasal approach; Endoscopy; Ethmoid sinus; Internal carotid artery; Optic nerve; Paranasal sinus; Sphenoethmoidal cell; Sphenoid sinus.

MeSH terms

Anatomic Variation*
Cadaver
Ethmoid Sinus / abnormalities*
Ethmoid Sinus / diagnostic imaging
Humans
Sphenoid Sinus / abnormalities*
Sphenoid Sinus / diagnostic imaging
Tomography, X-Ray Computed