A.膜迷路纖維化 B.膜迷路充血 C.膜迷路積水 D.螺旋器退行性變 E.血管紋萎縮
A.發(fā)作性頭暈 B.耳聾 C.耳鳴 D.耳脹滿感 E.眩暈
A.35% B.45% C.55% D.65% E.85%