Assertion: tinnitus's source | /r/HasProperty | identified as perilymph fistula
Facets:
Source sentences:
text: Treating tinnitus with surgery is generally limited to being a possible secondary outcome of surgery that is used in cases when the source of the tinnitus is identified (such as acoustic neuroma, perilymph fistula, or otosclerosis) and surgical intervention is required to treat that condition.41