ICD-11 definition : Labyrinthine fistula is a condition in which an abnormal communication is present
between the perilymphatic space of the inner ear and the middle ear (usually at or
adjacent to the round or oval window). The manifestations of this disease vary in
severity and complexity, commonly ranging from very mild to incapacitating.;
Labyrinthine fistula is a condition in which an abnormal communication is present
between the perilymphatic space of the inner ear and the middle ear (usually at or
adjacent to the round or oval window). The manifestations of this disease vary in
severity and complexity, commonly ranging from very mild to incapacitating.