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Pulmonary Arterial Filling Defects on Thoracic Cross Sectional Imaging: Unusual Considerations

Gotway, Michael B. MD; Tillinghast, A Judson MD

doi: 10.1097/CPM.0b013e31819b135a
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Pulmonary artery sarcoma is a rare intravascular neoplasm usually mistaken for thromboembolic disease. Clues to the correct diagnosis include large, central pulmonary arterial filling defects out of proportion to the patient's symptoms, an enhancing pulmonary arterial filling defect, ipsilateral lung nodules, and ipsilateral pulmonary oligemia.

Pulmonary artery sarcoma is a rare intravascular neoplasm usually mistaken for thromboembolic disease. Clues to the correct diagnosis include large, central pulmonary arterial filling defects out of proportion to the pateint’s symptoms, an enhancing pulmonary arterial filling defect, ipsilateral lung nodules, and ipsilateral pulmonary oligemia.

From the Departments of Diagnostic Radiology/Biomedical Imaging and Pulmonary/Critical Care Medicine, University of California, San Francisco, California, and Scottsdale Medical Imaging, Ltd., an affiliate of Southwest Diagnostic Imaging, Scottsdale, Arizona.

Address correspondence to: Michael B. Gotway, MD, Scottsdale Medical Imaging, Ltd., 9700 North 91st Street, #C-200, Scottsdale, AZ 85258. Office: (480) 425-5000; Fax: (480) 425-5010. E-mail: mgotway@esmil.net.

© 2009 Lippincott Williams & Wilkins, Inc.