乳突手术的径路,在Lempert氏倡用耳道端切口进路以前均采取耳后切开径路。近十余年这种耳内径路的应用日益广泛,但由于术野较小对病变向后,范围较广,或有颅内合并症者仍应作耳后切口,因此耳道端切口并不能完全代替耳后切口。Tumarkin氏的耳道内径路凿开鼓窦、乳突,虽损伤小但术野更小对一些外耳道较狭小 Mastoid surgery path, in Lempert’s advocacy ear canal end incision before taking the ear cut path. Nearly ten years, the application of the otoplasty is becoming more and more widespread. However, due to the smaller surgical field, the posterior ear incision should not be completed because of the backward posterior, wide range or intracranial complications. Instead of ear cutting. Tumarkin’s canal ear canal digging open the sinus, mastoid, although less damage but less surgical field of some of the narrower external auditory canal