Endoscopic approaches and techniques of otologic surgery are becoming more prevalent. The use of endoscopy in cholesteotoma, tympanoplasty, and other middle ear surgery is extensively documented [1, 2]. Furthermore, the use of endoscopy to assist in established transcranial approaches to the internal auditory canal (IAC) and cerebellopontine angle (CPA) is becoming more widely accepted [3]. Retrosigmoid resections of CPA tumors using only endoscopic visualization have been described [4, 5].
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