Frontal recess cells

Last revised by Marcos Gil Alberto da Veiga on 8 Nov 2020

Frontal recess cells are anterior ethmoid air cells that pneumatize the frontal recess. Their clinical relevance lies in their potential to obstruct the frontal recess outflow. As such, they should be reported by the radiologist preoperatively, especially in cases of frontal sinusitis.

Named frontal recess cells include:

In 2016, an expert consensus resulted in the publication of the International Frontal Sinus Anatomy Classification.

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