[Mediastinal bronchogenic cyst in the carina of an asymptomatic patient].

A patient of 30 year-old male with a bronchogenic cyst in the mediastinum detected as an incidental finding on a routine chest X-ray is presented. Laboratory examinations did not reveal any significant abnormalities. Chest X-ray and TAC revealed the mass lesion with smooth margen, low density and homogeneous at the middle mediastinum. Treatment consisted in the resection of the cyst by left thoracic approach. Histologically, the lesion was typical a bronchogenic cyst.