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Granulomatous myelitis associated with hemorrhagic syndrome due to consumption of Vicia villosa by cattle / Mielite granulomatosa associada à síndrome hemorrágica devido ao consumo de Vicia villosa em um bovino
Sonne, Luciana; Raymundo, Djeison Lutier; Antoniassi, Nadia Aline Bobbi; Bandarra, Paulo Mota; Almeida, Paula Rodrigues de; Vaz Júnior, Itabajara da Silva; Driemeier, David.
  • Sonne, Luciana; s.af
  • Raymundo, Djeison Lutier; s.af
  • Antoniassi, Nadia Aline Bobbi; s.af
  • Bandarra, Paulo Mota; s.af
  • Almeida, Paula Rodrigues de; s.af
  • Vaz Júnior, Itabajara da Silva; s.af
  • Driemeier, David; s.af
Ciênc. rural ; 40(8): 1848-1851, ago. 2010. ilus
Article in English | LILACS | ID: lil-558775
ABSTRACT
An unusual case of spontaneous Vicia villosa poisoning affected a 6-year-old Holstein cow. Although the most striking findings included a generalized hemorrhagic condition associated with granulomatous myelitis, histological lesions typically seen with the vetch-associated systemic granulomatous syndrome were also present. Prominent gross findings were bloody nasal and oral discharges, disseminated hemorrhages, and bloody feces. Generalized hemorrhages associated with infiltration of numerous organs by lymphocytes, plasma cells, macrophages, multinucleated giants cells, and eosinophils were the main microscopic findings. Anti-CD68 immunostaining confirmed the presence of moderate histiocytic infiltrate and multinucleated giant cells in the bone marrow. These changes in the bone marrow probably caused the generalized hemorrhagic changes described here.
RESUMO
Um bovino Holandês de seis anos naturalmente intoxicado pela Vicia villosa apresentou lesões não comumente encontradas nessa intoxicação. Embora a lesão mais evidente fosse hemorragia generalizada associada à mielite granulomatosa, as lesões granulomatosas típicas da intoxicação pela ervilhaca também estavam presentes histologicamente. Os principais achados macroscópicos foram hemorragias nasal e oral, hemorragias generalizadas e fezes com sangue. Lesões hemorrágicas generalizadas associadas com infiltrado inflamatório de linfócitos, plasmócitos, macrófagos, células gigantes multinucleadas e eosinófilos foram os principais achados microscópicos encontrados. O teste imuno-histoquímico anti-CD68 confirmou a presença de infiltrado moderado de macrófagos e de células gigantes multinucleadas na medula óssea. As alterações na medula óssea provavelmente constituem a causa da hemorragia generalizada descrita nesse caso.

Full text: Available Index: LILACS (Americas) Type of study: Risk factors Language: English Journal: Ciênc. rural Journal subject: Science / Environmental Health Year: 2010 Type: Article

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Full text: Available Index: LILACS (Americas) Type of study: Risk factors Language: English Journal: Ciênc. rural Journal subject: Science / Environmental Health Year: 2010 Type: Article