Septal deviation does not appear to give rise to the formation of CB, but augments the pneumatization of the middle turbinate depending on the degree of deviation angle.

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High level of MDA in nasal polyp tissue that represents FR increase supports the existence of cell injury in nasal polyp tissue. FRs should be considered in the development and life cycles of NP which is thought to have multifactorial pathogenesis.

Based on the histopathological changes of chorda tympani in chronic middle ear disease, it is postulated that chronic otitis media may give rise to functional loss of the nerve.