Fistula of labyrinth Diagnosis u Vertigo(intermittent or constant s Hearing loss Fistula test(only 50% of patients are positive) CT scan may demonstrate evidence SS/2n of fistula however small fistula can be overlookedFistula of labyrinth ◼ Diagnosis ◼ Vertigo (intermittent or constant) ◼ Hearing loss ◼ Fistula test (only 50% of patients are positive) ◼ CT scan may demonstrate evidence of fistula, however, small fistula can be overlooked