The shape of your nasal cavity could be the cause of chronic sinusitis. The nasal septum is the wall dividing the nasal cavity into halves; it is composed of a central supporting skeleton covered on each side by mucous membrane.
Nasal polyps are small growths that are seen within the nasal cavity. They arise in individuals who are prone to developing recurrent allergies and are responsible for a variety of different symptoms and constant visits to the doctor.
Involvement of the nasal cavity and paranasal sinuses by IgG4-related disease is rare and is usually found in association with multiorgan lesions. Mikulicz disease- diffuse mucosal thickening of the nasal cavity and paranasal sinuses –“Biopsy revealed IgG4-related sclerosing disease.”