The Animal Medical Center, 510 East 62nd Street, New York, NY 10065, USA; Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27695, USA.
The Animal Medical Center, 510 East 62nd Street, New York, NY 10065, USA.
J Vet Cardiol. 2020 Jun;29:54-59. doi: 10.1016/j.jvc.2020.04.004. Epub 2020 May 5.
Hemangioarcoma in the cat is an infrequently diagnosed tumor, and cardiac involvement is rare. We report a previously healthy, 8-year-old, domestic shorthair cat with acute collapse associated with pericardial effusion and cardiac tamponade. Following pericardiocentesis and removal of 15 mL of fluid, the cat improved rapidly. A massive, space-occupying, intrapericardial tumor adhered to and compressing the right atrium and ventricle was detected by echocardiography. Approximately 5 weeks following initial presentation, bicavitary effusion and tachypnea developed, and the cat was euthanized. Necropsy revealed a giant intrapericardial mass adhered to and impinging upon the right heart. Histologic and immunohistochemical examination confirmed hemangiosarcoma with no gross or histologic evidence of metastasis. To the authors' knowledge, this is the first account of a pericardial-occupying, primary feline cardiac hemangiosarcoma resulting in compression of the right heart and cardiac tamponade, Further, this report describes novel clinicopathological relationships between radiographic and echocardiographic findings and gross and microscopic pathology.
猫的血管肉瘤是一种罕见诊断的肿瘤，且心脏受累罕见。我们报告一例 8 岁、健康的家养短毛猫，突发心包积液和心脏压塞相关的急性虚脱。心包穿刺和抽出 15ml 液体后，猫迅速改善。超声心动图发现一个巨大的、占据心包腔的、与右心房和右心室粘连并压迫的肿瘤。初次就诊后约 5 周，出现双腔积液和呼吸急促，随后安乐死。尸检显示一个巨大的心包内肿块与右心粘连并压迫。组织学和免疫组织化学检查证实为血管肉瘤，无明显或组织学转移的证据。据作者所知，这是首例心包占位性、原发性猫心脏血管肉瘤导致右心受压和心脏压塞的病例。此外，本报告描述了放射影像学和超声心动图发现与大体和显微镜病理学之间的新的临床病理关系。
