We've discussed before what a fistula is. A tracheal fistula is a fistula that forms an abnormal channel by connecting one end to the trachea and the other end to another part of the body. In adults, the most common is pleural, known as bronchopleural fistula. The cause of this condition is usually traced back to pulmonary infections such as tuberculous empyema and lung abscess.
The two doctor-teachers heard the student's suspicion about the diagnosis of this fistula and immediately turned their attention back to the child.
