Multicentric ıntrahepatic biliary cystadenoma in a dog

Bu çalışmada 13 yaşında, İrlanda Seteri bir köpekte teşhis edilen safra yolu kistadenomu rapor edilmiştir. İştahsızlık, aralıklarla devam eden ishal ve ikterus şikayeti ile gözlem altına alınarak karın ultrasonografisi uygulanan hayvanda farklı karaciğer lobları üzerinde 5 adet tümöral kitleye rastlandı. Köpek, kitlelerin sayı ve yerleşimi nedeniyle, metastaz yapan bir karaciğer tümörü olduğu düşünülerek, hayvan sahibinin izni alındıktan sonra ötenazi edilerek nekropsiye sevk edildi. Nekropside, en büyüğü lobus quadratusta olmak üzere farklı karaciğer loblarında yerleşim gösteren kistik ve kesit yüzü süngerimsi görüntü arz eden tümöral kitlelere rastlandı. Histopatolojik incelemede kistik glandüler yapıların, eozinofilik sitoplazma ve basofilik boyanma özelliği gösteren çekirdeklere sahip kübik-kolumnar hücreler tarafından döşendiği görüldü. Bu hücrelerin sitokeratin 7 ve sitokeratin 19 ile immunohistokimyasal olarak pozitif olarak boyandıkları tespit edildi. Histopatolojik ve immunohistokimyasal bulgular ışığında tümör multisentrik safra yolu kistadenomu olarak teşhis edildi.

Bir köpekte multisentrik safra yolu kistadenomu

This report describes a case of multicentric intrahepatic biliary cystadenoma observed in a 13-year-old, male, Irish setter dog. The dog had a history of chronic inappetence, weight loss, intermittent icterus, and diarrhoea. In the ultrasonographic examination of the abdominal organs, 5 spherical masses were found in various liver lobes. The largest mass was 12 cm in diameter and was located on the quadrate lobe. It had spongy consistency and had several cystic structures, 3 mm-2.5 cm in diameter, on the cut surface. While this mass bulged through the normal outline of the liver, smaller masses were engraved within the liver parenchyma. Histopathologically, cystic glandular structures lined by cubical to columnar epithelial cells were observed. Immunohistochemically, tumoural cells stained positively with anti-cytokeratin 7 and anti-cytokeratin 19 antibodies. We report herein a rare case of multicentric biliary cystadenoma in an Irish setter dog with histopathological and immunohistochemical findings.

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Turkish Journal of Veterinary and Animal Sciences-Cover
  • ISSN: 1300-0128
  • Yayın Aralığı: Yılda 6 Sayı
  • Yayıncı: TÜBİTAK
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