In most cases,<unk>  does not cause any recognisable hearing loss up to ten years after the initial disease onset. Sclerotic changes seem to stabilise, but not resolve or dissolve, after 3 years.
Tympanosclerosis
Vestibular adenitis
Orbital emphysema
Tympanites
Rectovestibular fistula
Surfer's ear
Nasal vestibulitis
Cochlear hydrops