ASYMPTOMATIC EXTRALOBAR SEQUESTRATION IN A 43-YEAR-OLD WOMAN

A 43-year-old white woman had an asymptomatic left lower lobe density on a chest roentgenogram. She had a past history of biopsy-proven sarc oidosis in 1984 that resolved without corticosteroids. A midsystolic c lick was heard on cardiac examination. Computed tomography (CT) reveal ed an extralobar pulmonary sequestration in the left base. Rapid seque nce CT scanning revealed an arterial supply from the thoracic aorta an d venous return to the inferior vena cava. A pleural lining and cystic parenchymal changes were also seen. After a discussion of the risks a nd benefits of surgical resection, the patient elected only clinical f ollow-up.