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Congenital Unilateral Pulmonary Vein Atresia

Radiologic Findings in Three Adult Patients

¹ Department of Radiology, Box 3808, Duke University Medical Center, Rm. 2523 Blue Zone South, Durham, NC 27710.
² Present address: Department of Radiology, Queen's University at Kingston, c/o Kingston General Hospital, Kingston, Ontario, K7L 2V7 Canada.
³ Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, NC 27710.

OBJECTIVE. The purpose of our study is to describe the radiologic findings of adult patients presenting with congenital unilateral pulmonary vein atresia.

CONCLUSION. Chest radiography in affected patients typically reveals a small hemithorax and ipsilateral pulmonary artery as well as ipsilateral septal thickening. CT shows, in addition, ground-glass attenuation, the absence of a pulmonary vein connection to the left atrium, and abundant mediastinal venous collateral vessels. MR imaging is helpful in further characterizing the vascular abnormalities. Angiography may help to confirm the diagnosis.

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