Bronchopulmonary sequestration presenting as recurrent pneumonia.

Bronchopulmonary sequestration is a rare congenital malformation of the lower respiratory tract. Its presentation is varied, and it rarely presents in adulthood. We report the case of a 31-year-old woman who was admitted with recurrent pneumonia. She had been treated for pneumonia multiple times within the last 3 years. On subsequent workup, she was found to have intra-lobar bronchopulmonary sequestration in the left lower lobe of the lung, which was diagnosed on computerized tomography (CT) of the chest. The chest CT revealed an anomalous blood vessel from the abdominal aorta ascending to the left lower lobe of the lung and supplying an abnormal part of the left lung, which was the key to the diagnosis. Bronchopulmonary sequestration was found to be the cause of her recurrent pneumonia. She subsequently underwent resection of the left, lower lobe of the lung. We recommend that bronchopulmonary sequestration be included in the differential diagnosis of recurrent pneumonia in relatively healthy patients.