Miositis parasitariaasociadaa la infestación por trichinella en myrmecophaga trydactila: registro de un caso en venezuela
Neotropical helminthology(2021)
摘要
The aim is report a case of myositis associated with the genus Trichinella parasite in a giant anteater Myrmecophaga
trydactila a bear at the zoo El Pinar Caracas, Venezuela. With a history of lameness of hind limbs, chronic dermatitis
draining in recurrent femoral region, cervical and axillary, bacteraemia and septicaemia. Necropsy was performed
systematically by the techniques described for pets. Tissue sections were taken for histopathological examination and
were processed by conventional methods of histological processing. Samples were taken from stomach contents and
faeces for parasitological studies using the technique of flotation. Gross examination revealed marked chronic wasting.
Severe chronic exudative dermatitis with secondary bacterial infection. Evidenced hidroperitoneo marking. Focal
nodular chronic erosive gastritis. Enteritis segmental duodenal mucosa and chronic colitis. Hepatomegaly with foci of
fibrosis in the parenchyma. Petequial cortical hemorrhage in adrenal glands bilaterally. Nodular myositis in semi
membranous muscle and tendon of semi hind limbs. The histological sections showed: chronic dermatitis characterized
by abundant neutrophil infiltration polimorfonuclear mixed degenerate and few eosinophils, lymphocytes and
mononuclear infiltrate plasmocitic. Lymphocytic focal myositis is observed in the presence of cysts intermiofibrilar
larval forms of approximately 800 to 900i, carried away on their own, lace sides, surrounded by a dense capsule of
fibrous tissue, focal calcification and fibroplasic response. The study was consistent with eggs coprological Trichinella
sp.
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