Although it could be confused with an enlarged carina, this curious formation in the extrathoracic trachea consists of a medial septum that, as a bridge, joins the anterior wall with the posterior wall and divides the trachea into two conduits, contoured by fibrous arches.
Unusual evolution of post-intubation stenosis in a 21-year-old male.
Isidoro R., Debais M. Divided Trachea, report of a case. RAMR 2014; 1: 51-52.