Myofibroblastic tumour in the liver of a cat-A case report

Pazdzior-Czapula, Katarzyna and Fiedorowicz, Joanna and Otrocka-Domagala, Iwona (2023) Myofibroblastic tumour in the liver of a cat-A case report. ACTA VETERINARIA HUNGARICA, 71 (1). pp. 30-33. ISSN 0236-6290

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Abstract

This study presents a case of a primary hepatic myofibroblastic tumour in a 15-year-old European Shorthair female cat. The cat showed a gradual increase in liver enzymes (alanine aminotransferase and aspartate aminotransferase), and an abdominal ultrasound revealed a tumour located within the left lateral lobe of the liver. The tumour was surgically excised and sent for histopathology. Histopathological examination showed that the tumour was composed of homogeneous fusiform cells with low mitotic count, crowded within the perisinusoidal, portal and interlobular spaces, and entrapment of hepatocytes and bile ducts. Immunohistochemistry revealed that the tumour cells expressed vimentin and & alpha;-SMA, and were negative to desmin and cytokeratins. Based on the histological and immunohistochemical features, as well as some similarities with analogous entities in humans and animals, the tumour was classified as a myofibroblastic neoplasm originating from the liver.

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