Transnasal endoscopic surgical approaches to the clivus

Aldo Cassol Stamm1, Shirley S N Pignatari, Eduardo Vellutini

  • 1Federal University of São Paulo, Paulista School of Medicine, São Paulo, Brazil; São Paulo ENT Center, Hospital Professor Edmundo Vasconcelos, Rua Afonso Braz 525 CJ13, São Paulo, Brazil 04511-010. centrodeorl@osite.com.br