Anterior ethmoidal notch

Case contributed by Dr Henry Knipe
Annotated image

Bilateral anterior ethmoidal notches. "Protected" on the right (red arrow). At increased risk of injury on the left (yellow arrow) due to supraorbital ethmoidal air cell pneumatization. 

Case Discussion

Original case courtesy of Dr Yair Glick, Radiopaedia.org, rID: 53200.

URL: https://radiopaedia.org/cases/normal-paranasal-sinuses-and-petrous-temporal-bones

Modifications: crop and annotation. 

Licence: Creative Commons. 

PlayAdd to Share

Case information

rID: 71452
Published: 6th Oct 2019
Last edited: 6th Oct 2019
System: Head & Neck
Tag: anatomy
Inclusion in quiz mode: Included

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.