在过去百年中，慢性化脓性中耳炎（CSOM）的手术治疗已达成广泛共识，即切除病变和保存听力和面神经功能。过去30年中该领域的技术革新是由于手术显微镜、显微器械的应用和颞骨影像学的进步。七十年代后期激光外科首先用于耳科学。激光比常规设备具有两大优点：第一，它的止血 In the past century, surgical treatment of chronic suppurative otitis media (CSOM) has reached a broad consensus that the removal of lesions and preservation of hearing and facial nerve function. The technological innovations in this area over the past 30 years were due to surgical microscopes, the use of micro-instrumentation, and advances in temporal bone imaging. Laser surgery in the late seventies was first used in otology. Laser has two advantages over conventional equipment: First, it stops bleeding