040 – Thin Tracheal Carina

Sharp carina with slopes so sharp that can hardly be seen at the tracheal bifurcation level. It can clearly be seen the edges of the bronchial cartilages due to some senile atrophy. In the posterior wall, the elastic fibers compose the longitudinal folds that, like rails that bifurcate, lead to the source bronchi in the first great division of the airway.

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