A.鼓膜修補(bǔ)術(shù)B.鼓膜錘砧骨成形術(shù)C.鼓膜鐐骨成形術(shù)D.小鼓室成形術(shù)E.半規(guī)管開(kāi)窗術(shù)
A.提高聽(tīng)力B.徹底清除病灶C.保證中耳乳突腔的通氣D.探查乳突腔病變E.清除病變的聽(tīng)小骨