[Hereditary angioedema: a case series and bibliographic update].

Background: Hereditary angioedema is an autosomal dominant inherited condition that is characterized by the local development of edema of the skin, subcutaneous tissue, and the walls of almost any organ, including the gastrointestinal and upper respiratory tracts.

Objective: To describe the clinical characteristics, diagnosis and treatment of six controlled patients with hereditary angioedema.

Patients And Methods: This paper presents clinical characteristics of six patients, four of them members of the same family, and two, isolated, non-family related cases.