[Pulmonary artery aneurism in a patient with Behçet disease. Report of one case].

Behçet disease is a systemic disease with diverse clinical symptoms which vary according to the organs and systems involved. Typically, patients have oral and genital ulcers and episodic ocular involvement with periods of clinical improvement. We report an 18-year-old mole presenting with chest pain and hemoptysis and a history of ulcers in the oral cavity and scrotum.