Objective: In this study, we aimed to analyze and compare the outcomes and complications of endoscopic stapes surgery versus microscopic stapes surgery. Patients and Methods: This study is a comparative analysis of patients with conductive hearing loss who were going to undergo stapedotomy at department of otorhinolaryngology, faculty of medicine, mansoura university, egypt, between September 2...

This survey is the expanded version of my talk at the AMS meeting in April 1997. I explain to non-experts how to use the orbit method, discuss its strong and weak points and advertise some open problems.