1 MD. MSc. 2 MD. Pediatric Pneumologist. 3 MD. Radiologist. 4 MD. Chest Surgeon Hospital Municipal São José, Joinville. Send correspondence to: Hospital Infantil Jeser Amarante Faria. Rua Três Barras, 539, casa 01, Bairro Saguaçu. Joinville-SC. Paper submitted to the BJORL-SGP (Publishing Management System – Brazilian Journal of Otorhinolaryngology) on December 15, 2010; and accepted on March 0...