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Labyrinthine fistula
Classification and external resources

Cross-section of cochlea. Perilymph is located in the scala tympani and scala vestibuli - the aqua regions at the top and bottom of the diagram.
ICD-10 H83.1
ICD-9 386.4
DiseasesDB 32218
eMedicine emerg/414

A labyrinthine fistula (or perilymph fistula) is leakage of inner ear fluid into the air filled middle ear.

It is a cause of balance disorders and can be a complication of a stapedectomy.

Tympanotomy is required for diagnosis.[1]

It can be caused by cholesteatoma.[2]


External links



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