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IMAGING DIAGNOSIS—INTRAPERICARDIAL RIGHT AURICLE ANEURYSM IN A DOG

Authors

  • MARCO BARON TOALDO,

    1. Veterinary Clinical Department, School of Veterinary Medicine, University of Bologna, Via Tolara di Sopra 50, I-40064 Ozzano Emilia, Bologna, Italy
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  • ALESSIA DIANA,

    1. Veterinary Clinical Department, School of Veterinary Medicine, University of Bologna, Via Tolara di Sopra 50, I-40064 Ozzano Emilia, Bologna, Italy
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  • MARIA MORINI,

    1. Department of Veterinary Public Health and Animal Pathology, School of Veterinary Medicine, University of Bologna, Via Tolara di Sopra 50, I-40064 Ozzano Emilia, Bologna, Italy.
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  • MARIO CIPONE

    1. Veterinary Clinical Department, School of Veterinary Medicine, University of Bologna, Via Tolara di Sopra 50, I-40064 Ozzano Emilia, Bologna, Italy
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Address correspondence and reprint requests to Alessia Diana, at the above address. E-mail: alessia.diana@.unibo.it

Abstract

An 11-year-old, male, Pekinese was examined because of a sporadic, nonresponsive, nonproductive cough. Radiographically there was cardiomegaly and a soft tissue mass in the cranial mediastinum. Echocardiographically, chronic degenerative valvular disease was diagnosed. Furthermore, a large anechoic structure located cranial to the right atrium was detected. Computed tomography was performed to define the mediastinal mass and a right auricle aneurysm was diagnosed. The dog died suddenly 1 day after the diagnostic imaging procedures. At necropsy, a right auricular aneurysm without discontinuity of the pericardial sac was confirmed. Intrapericardial right auricular aneurysm should be included in the differential diagnoses of cranial mediastinal masses.

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