There are different ways of staging nasal and paranasal sinus cancer. There is the TNM system and the number staging system. The number staging system includes 4 stages – from stage 1 to stage 4. The ...

Medically reviewed by Steffini Stalos, DOA fungal sinus infection, also called fungal sinusitis, is when fungus causes an infection of the sinuses. The sinuses are air-filled cavities in the head that ...

Sinusitis involves inflammation of the paranasal sinuses. It can be caused by viruses, allergies, or autoimmune reactions, leading to mucus buildup and irritation. Symptoms of sinusitis include ...