Introduction:

The cardiac bronchus is a rare congenital anomaly, with an incidence of approximately 0.1%. It consists of a supernumerary bronchus that arises from the medial wall of the right main bronchus or the bronchus intermediary, opposite the origin of the bronchus for the right upper lobe and proximal to the bronchus of the apical segment of the right lower lobe.

Objective:

To report the case of a cardiac bronchus diagnosed by endoscopic study.

Case report:

We report the case of a patient who was admitted to the Pneumology service at Hermanos Ameijeiras Surgical Clinical Hospital due to cough, white expectoration, dyspnea on exertion and a chest X-ray with radiopacity in the upper lobe, and that as an incidental finding during the bronchoscopy, a cardiac or supernumerary bronchus was detected.

Conclusions:

Bronchus is an infrequent congenital malformation that can be asymptomatic, whose definitive diagnosis is by bronchoscopy.

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