Department of Head and Neck Surgery Et Communication Sciences Duke University School of Aied/c/ne Durham NC L/SA;
Department of Otolarynsolosy-Head and Neck Surgery Johns Hopkins University School of Medicine Baltimore MD USA;
Department of Otolaryngology-Head and Neck Surgery University of California San Francisco San Francisco CA USA;
Department of Head and Neck Surgery Et Communication Sciences Duke University School of Aied/c/ne Durham NC L/SA;
Translabyrinthine approach; Cerebrospinal fluid leak; Rhinorrhea; Air cell tract; Petrous apex; Eustachian tube; Hydroxyapatite cement;