What is Atresia under-pneumatization of the frontal sinus?

Atresia under-pneumatization of the frontal sinus refers to a developmental condition where the frontal sinus fails to develop adequately, resulting in reduced air space within the sinus cavity. This can lead to complications such as chronic sinusitis, nasal obstruction, and facial pain due to the lack of proper drainage. It is often diagnosed through imaging studies, and treatment may involve surgical intervention to address associated symptoms or complications. The condition is relatively rare and can vary in severity among individuals.