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A 59-year-old woman had a six-month history of increasing shortness of breath. Echocardiography showed an abnormal mass in the right ventricle. Surgical resection was performed because of hemodynamic instability, and histologic evaluation revealed a myxosarcoma. Five months later, the patient again had dyspnea, and enhanced computed tomography (CT) showed a defect extending from the right ventricle through the pulmonary trunk to the right pulmonary artery (arrow in Panel A). A left anterior oblique CT image showed a heart-shaped defect in the pulmonary trunk (arrow in Panel B). Recurrent myxosarcoma was diagnosed. Surgical resection was again performed. However, three months later, . . . [Full Text of this Article] |
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