Ilhan, FatmaYener, ZabitVural, Sevil AtalayHaligur, Mehmet2025-05-102025-05-1020080042-48702-s2.0-53649106706https://hdl.handle.net/20.500.14720/17309Ilhan, Fatma/0000-0003-0363-6285The pathomorphological and immunohistochemical features of cholangiocarcinoma in an 11-year-old female Van cat were described. At necropsy, the primary tumour was determined in the liver. The tumour was greyish-white, firm, and multinodular. The size of these nodules ranged between 1 cm and 3 cm. There were metastases in the mesentery, portal lymph nodes, peritoneum, and lung. Immunohistochemically, the tumour cells showed positive immunoreactivity for S100 and cytokeratin, and negative for a-fetoprotein. According to morphological and immunohistochemical findings, this tumour was defined as a cholangiocarcinoma.eninfo:eu-repo/semantics/closedAccessVan CatCholangiocarcinomaHistopathologyImmunohistochemistryArticle521N/AN/A131134WOS:000254649600024