Have Had Intermittent Ringing Of My Left Ear For Years...current

have had intermittent ringing of my left ear for years...current CT of sinuses indicate an incidental finding of left mastoid air cells partially opacified with out involvement of teh antrum, aditus ad antrum nor the attic of the middle ear cavity...have been on constant rx of prednisone and antibiotics monthly for chronic sinusitis ever since having surgery 13 months ago for a nasal septoplasty removal of turbinates and bulbosa