Supra agger cell

Last revised by Henry Knipe on 12 Nov 2020

Supra agger cells are an anatomical variant of the paranasal sinuses, included in the International Frontal Sinus Anatomy Classification.

Gross anatomy

These are an anterior-lateral ethmoidal cell, located above the agger nasi cell (not pneumatizing into the frontal sinus). The supra agger cells push the drainage pathway of the frontal sinus medial, posterior or posteromedially.

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