Anterior ethmoidal notch

Case contributed by Henry Knipe
Diagnosis not applicable
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. 

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