v.15, n.1, 7
Case Report
Partial pericardial agenesis in a dog
Lorena S. Bezerra, Rômulo Santos A. Eloi, André L.R.M. Santos, Letícia B. de Oliveira, José Vanderlei Araujo, Guilherme R. Blume
Abstract:
Pericardial defects are considered rare in animals and humans. Pericardial agenesis is characterized by partial or total pericardial sac malformation. Here is reported a case of apical partial pericardial agenesis in an adult mixed-breed male dog referred for necropsy. The pericardial sac was absent from the apical region up to the middle area of the ventricles resulting in a bilateral ventricular compression by the remaining pericardium changed the organ conformation. Microscopically, there was evidence of neutrophilic and hemorrhagic myocarditis with cardiomyocyte atrophy and interstitial fibrosis. Agenesis is often a subclinical disorder, and it is an incidental postmortem finding in most cases; however, it can cause complications in cases of cardiac structure herniation.
Keywords: Canine, cardiovascular, congenital defect, histopathology, pericardium.
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