Animal: Adult, domestic cat.
Organ: Gall bladder, common bile duct and liver
Findings: The cat was in a poor body condition and was severely icteric. The gall bladder was filled with clear to green mucinous fluid that contained a small number of trematodes (see photo) morphology consistent with Platynosomum illiciens, (previously called P.fastosum). The common bile duct was diffusely thickened (fibrosis).
MD: Common bile duct, gall bladder and liver: cholecystitis, choledochitis and cholangiohepatitis, lymphoplasmacytic, eosinophilic, chronic, diffuse, marked with fibrosis and intralesional trematodes.
Contributor: Diana Bochynska DipECVP, Assistant Professor – Veterinary Pathology Ross University, St Kitts and Nevis, West Indies and Regina Kemper- DVM pathology intern
Bibliography: Sobral, M. C. G. de O., Sousa, S. A. P., Ribeiro, T. M. P., Galvão, S. R., Santos, R. M., Silva, R. A. da ., Reis, T. S., Dias, F. E. F., & Santos, H. D.. (2019). Infection by Platynosomum illiciens (= P. fastosum) in domestic cats of Araguaína, Tocantins, northern Brazil. Revista Brasileira De Parasitologia Veterinária, 28(4), 786–789. https://doi.org/10.1590/S1984-29612019070