Decompression of the tympanic and labyrinthine segments of the facial nerve by middle cranial fossa approach an anatomic study: an anatomic study - Pereira, Marcos Alexandre da Franca; Bittencourt, Aline Gomes; Andrade, Emerson Magno de; Bento, Ricardo Ferreira; Brito, Rubens de (Acta neurochirurgica, 2016)