Pulmonary sequestration: diagnosis by magnetic resonance angiography and computed tomography

摘要

Pulmonary sequestration is defined as separation of a segment of lung parenchyma from the tracheo-broanchial tree of congenital pulmonary malformations that range from a normal vascular supply to an abnormal lung or an abnormal vascular supply to a normal lung. The exact incidence of pulmonary sequestration is unknown but it probably represent between 0.15/100-6.4/100 of all congenital pulmonary malformations. Most patients are asymptomatic until they develop an acute lower respiratory tract infection, with less than 40/100 of cases presenting within the first decade of life.