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Ann Thorac Surg 2008;86:1354-1355. doi:10.1016/j.athoracsur.2008.04.005
© 2008 The Society of Thoracic Surgeons
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Case Reports

Pulmonary Artery Sarcoma Mimicking a Pulmonary Artery Aneurysm

Ricardo M. Terra, MDa,*, Angelo Fernandez, MDa, Ricardo H. Bammann, MDa, Jader J.M. Junqueira, MDa, Vera L. Capelozzi, MDb

a Advanced Thoracic Nucleus, Sírio-Libanes Hospital, São Paulo, Brazil
b Diagnostika, Surgical Pathology, São Paulo, Brazil

Accepted for publication April 1, 2008.

* Address correspondence to Dr Terra, Rua Adma Jafet, 50–Cjto. 55. Cerqueira César, São Paulo, 01308-050, Brazil (Email: rmterra{at}uol.com.br).

Pulmonary artery sarcoma is an uncommon neoplasm, and its clinical and radiological presentation usually simulates chronic thromboembolic disease. We present the case of a 77-year-old woman admitted with dyspnea, chest pain, and hemoptysis. A chest computed tomographic scan showed moderate right-sided pleural effusion and a saccular dilatation of the interlobar portion of the right pulmonary artery, which was filled with contrast and surrounded by an irregular soft-tissue attenuation mass, suggesting a ruptured pulmonary artery aneurysm. The patient was operated on. Intraoperatively, a pseudoaneurysm and a solid mass were identified within the oblique fissure around the interlobar artery. Therefore, a right pneumonectomy was performed. Definitive pathologic examination was consistent with pulmonary artery sarcoma. The patient had a good outcome and is free of disease 2 years after surgery.






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