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  • Title: Giant kidney worm (Dioctophyma renale) infections in dogs from Northern Paraná, Brazil.
    Author: Nakagawa TL, Bracarense AP, dos Reis AC, Yamamura MH, Headley SA.
    Journal: Vet Parasitol; 2007 Apr 30; 145(3-4):366-70. PubMed ID: 17156927.
    Abstract:
    This article describes the pathological observations of Dioctophyma renale in dogs from the northern region of the State of Paraná, Brazil. A female, 6-year-old dog, Fila Brasileiro breed and a 16-year-old, male Poodle were diagnosed positive for D. renale during routine necropsy. Clinically, both dogs demonstrated hematuria, and the Poodle had a radiographic diagnosis of prostatic tumor, but neither had a clinical diagnosis of this infection prior to necropsy. Three giant worms were observed in the urinary bladder of the first case and one within the renal pelvis of the other dog. Histological findings were similar in both cases and represented compressive atrophy due to the presence of the nematode. Additionally, aspects of the life cycle, pathogenesis and epidemiology associated with this parasitism in Brazil are also discussed.
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