Introduction: Platynosomum fastosum is a dicrocoeliid fluke that infects birds and mammals, especially wild and domestic cats. Case report: A middle-aged male domestic cat was euthanized and examined. Its clinical features had included apathy, emaciation, hepatomegaly and mild jaundice on the mucosae. At necropsy, we noticed enlarged liver and dilated gallbladder. After opening the gallbladder lengthwise, multiple whitish flattened ellipsoidal structures were observed and identified as P. fastosum. The larger parasites were found in gallbladder, with significant different size from cystic duct and intrahepatic biliary ducts (p<0.05). Histopathological analysis revealed fluke-induced suppurative cholecystitis and chronic cholangitis. Precursor lesions of cholangiocarcinoma were reported. Conclusion: This report was part of the first prevalence survey of P.fastosum in municipality of Maracanaú, state of Ceará, northeastern Brazil.
Este estudio presenta datos sobre la fauna de helmintos de dos lagartos geconídeos, Hemidactylus agrius y Lygodactylus klugei, en el bioma caatinga en el noreste del Brasil. Hay cuatro especies de helmintos parásitos de H. agrius, cistacanto de Centrorhynchidae (Acanthocephala) y nematodos Physalopteridae (estadios larvarios), Parapharyngodon alvarengai (Pharyngodonidae) y Skrjabinelazia sp. (Seuratidade). El hospedador Lygodactylus klugei presentó dos especies de helmintos, un individuo de Mesocoelium monas (Trematoda: Mesocoeliidae) en el intestino delgado y una larva enquistada de Physalopteridae (Nematoda: Physalopteridae) adjunta a la pared del estómago. Las especies de lagarto mostraron una baja prevalencia y baja riqueza de helmintos. Además, H. agrius mostró una baja intensidad de infección. El modo de búsqueda de alimento, el hábito arbóreo y la composición de una dieta restringida pudieran haber favorecido la baja prevalencia, las bajas tasas de infección y riqueza baja de helmintos que se encontraron en las especies hospedadoras.
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