hypothyroidism and secretory otitis media

the aetiology of secretory otitis media is stillobscure in many of its o.sPt::cts • ’rile 8ustachian tubedysfuncti.Jn is tile csstjntial unc.erlyins caUS8 in itspathogenbsis • allargy infection , adenoids and tonsilshypertrophy, misuse o f ant ibiotic therapy) in cases ofacute otitls media , nasal obstruction• cleft palate ,otitis barotrauma, tumours of naso:pharynx and. radio -therapy in the vicinity of the base of skull are factorsusually blamed.