Intraoperative assessment of perilymphatic fistulas with intrathecal administration of fluorescein.


OBJECTIVES Assessment of perilymphatic fistulas remains a diagnostic problem. Because of a lack of reliable clinical tests, exploratory tympanotomy is necessary to detect membrane leaks in the middle ear. To improve objectivity in the intraoperative visualization of perilymphatic fistulas, we used intrathecal fluorescein for perilymph staining to increase… (More)


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