[Diagnostic endoscopy in congenital tracheobronchial abnormalities].

High quality of anesthesia and efficiency of light sources and optical systems now allow safe examination of upper respiratory tract and ability to give very precise informations in neonates and infants. Endoscopy now is then an essential procedure for diagnostic of congenital anomalies of respiratory tract. The necessary conditions for a safe examination and the necessity of complete exploration (Polyendoscopy) are exposed as well as endoscopic aspects of various congenital anomalies.