Chronic ethmoid sinusitis

In the sinuses, the anatomy of the ethmoid sinus is the most complicated, especially the meniscus at the opening of the anterior ethmoid sinus and its adjacent hook process and ethmoid funnel, which are small protrusions and sulcus spaces in the middle nasal passage. Road complex. This is the place where the inhaled airflow impacts, and it is also the place where bacteria, viruses, and inhaled antigens (allergens) are most likely to invade. Regardless of infection or allergies, the beginning is manifested as swelling of the mucosa, ciliary movement stops, ethmoid sinus ventilation and drainage are blocked, and then spread to other sinuses. Due to poor drainage of the ethmoid sinus, if inflammation is not easy to dissipate, it is easy to delay and become chronic.

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