523 Not All Who Wheeze Have Asthma—Tracheal Diverticulum with Stenosis of Trachea in 9 Years Old Boy.

Background A tracheal diverticulum (TD) is very rare congenital malformation. The prevalence is about 0.3% in children over 10 years of age according to fiberoptic bronchoscope studies and it is rarely reported in clinical practice (3). Here we describe our recent exprience in succesfully diagnosing and treating a 9-years old box suffering from membranous stenosis of trachey with trachea diverticulum.