IMAGING DIAGNOSIS—MULTIMODALITY FINDINGS IN AN ADULT DOG WITH PRIMARY SARCOMA OF THE PULMONARY ARTERY AND MYOCARDIAL METASTASES |
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| Authors: | Susanne M Stieger‐Vanegas Bryan Bottorff David Sisson Christiane V Löhr |
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| Institution: | 1. Department of Clinical Sciences, College of Veterinary Medicine, Oregon State University, Corvallis, OR;2. Seattle Veterinary Specialists, Kirkland, WA;3. Department of Biomedical Sciences, College of Veterinary Medicine, Oregon State University, Corvallis, OR |
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| Abstract: | Intravascular pulmonary artery sarcomas in combination with myocardial metastasis are rare in dogs. We describe the radiographic, echocardiographic, and electrocardiographic‐gated (ECG‐gated) computed tomographic angiography (CTA) findings in a dog with pulmonary artery sarcoma. All imaging studies demonstrated severe main pulmonary artery enlargement. Echocardiography and ECG‐gated CTA revealed a mass occluding the lumen of the right pulmonary artery. In addition, CTA revealed focal left ventricular myocardial contrast enhancement and parenchymal lung changes. Postmortem examination confirmed the presence of a large thrombus associated with arteriosclerosis and an intravascular sarcoma in the right pulmonary artery with metastases to the myocardium, lungs and brain. |
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| Keywords: | dog ECG‐gated computed tomography intravascular neoplasm pulmonary artery |
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