[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.

[Hepatitis B vaccine in patients with human immunodeficiency virus infection].

Hepatitis B is a public health problem in the entire world, mainly among HIV infected people in whom the coinfection change the course, natural history and morbi-mortality of the disease. Because of this, it is imperative to design strategies to prevent hepatitis B infection in HIV patients. Vaccination is the most important tool for prevention, although its efficacy varies according to immunologic and virologic status of the patient.