Chronic polyarthritis associated to Cercopithifilaria bainae infection in a dog.
2014
Gabrielli, Simona | Giannelli, Alessio | Brianti, Emanuele | Dantas-Torres, Filipe | Bufalini, Massimiliano | Fraulo, Maurizio | La Torre, Francesco | Ramos, Rafael AN | Cantacessi, Cinzia | Latrofa, Maria Stefania | Cancrini, Gabriella | Otranto, Domenico
Despite the widespread distribution of Cercopithifilaria bainae among canine and tick populations worldwide, this filarioid is currently considered of 'minor importance' in veterinary medicine, particularly when compared to related filarioids, such as Dirofilaria immitis and Dirofilaria repens. To date, only a single case of dermatological alterations possibly associated to infection by C. bainae had been reported in a dog. In the present study, we describe the first case of systemic alterations associated to C. bainae infection in a dog suffering from diffused chronic polyarthritis. The animal had a previous history of reluctance to move and stiff gait and displayed multiple joint pain during manipulation of limbs. No biochemical, haematological and X-ray alterations were detected; microfilariae were observed in the synovial fluids collected from the joints. In spite of the morphological and molecular identification of these microfilariae as C. bainae, the dog did not respond to multiple microfilaricidal treatments with milbemicyn oxyme. The potential role of C. bainae in the pathogenesis of this clinical condition is discussed. Given the potential pathogenicity of this parasite, improved knowledge of this little known tick-borne nematode is warranted in order to assist the development of novel and effective treatment strategies.
Mostrar más [+] Menos [-]This is the author accepted manuscript. The final version can be found on the publisher's website at: http://www.sciencedirect.com/science/article/pii/S0304401714003744# © 2014 Published by Elsevier B.V.
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