Introduction:

The diagnostic confrontation of lesions suspected of lung cancer has changed in recent years.

Objective:

To describe the first case of lung carcinoma, diagnosed in Cuba by endobronchial ultrasound-guided transbronchoscopic fine needle aspiration cytology.

Case report:

A case of undifferentiated small cell carcinoma is reported. Diagnosis is obtained by performing a fine needle aspiration cytology of the mediastinal lymph nodes, transbronchoscopic and guided by endobronchial ultrasound.

Conclusions:

The use of EBUS-TBNA is a tool with high diagnostic yield, with few described complications and should be considered as a possibility in the study of lesions adjacent to the central airway.

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