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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
24/10/2018 |
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Data da última atualização: |
24/10/2018 |
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Autoria: |
ZANI, C. C.; MARINHO, P. V. T.; DIAMANTE, G. A. C.; SUEIRO, F. A. R.; ARIAS, M. V. B. |
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Afiliação: |
Carolina C. Zani, Departamento de Clínicas Veterinárias/Universidade Estadual de Londrina - UEL; Paulo V. T. Marinho, Departamento de Cirurgia/Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo - USP; Gabriel A. C. Diamante, Departamento de Cirurgia/Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo - USP; Felipe A. R. Sueiro, Laboratório de Patologia e Biologia Molecular Veterinária - Vetpat; Mônica V. Bahr Arias, Departamento de Clínicas Veterinárias/Universidade Estadual de Londrina - UEL. |
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Título: |
Post mortem evaluation of spinal cord and protruded intervertebral discs in dogs without neurological abnormalities1 |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Pesquisa Veterinária Brasileira, Rio de Janeiro, v. 38, n. 9, p. 1793-1799, setembro 2018 |
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Idioma: |
Inglês |
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Notas: |
Título em português: Avaliação post mortem da medula espinhal e de discos intervertebrais protrusos em cães sem alterações neurológicas. |
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Conteúdo: |
The aim of this study was to verify the presence of protrusion of the intervertebral disc (IVD) causing compression of the spinal cord and/or roots of cauda equina in 30 dogs above seven years of age with no evidence of previous neurological abnormalities. After the occurrence of death or euthanasia, a laminectomy was performed from C2 to the sacral vertebra to verify the presence of IVD protrusions. The protruded IVD were macroscopically graded according to the Thompson scale, and the corresponding spinal cord segment was histologically analyzed for nervous tissue compression. Of the 30 dogs, twelve (40%) presented disc protrusion, and of these 12 dogs, seven (58%) presented more than one protruded disc. Disc protrusion was observed in 3.2% (25/780) of all IVD evaluated. Of the six chondrodystrophic dogs, five (83%) presented disc protrusion. Of the 24 nonchondrodystrophic dogs, seven (29%) presented IVD protrusion. The site that showed the highest frequency of protrusion was L4-L5 (6/25) followed by the L6-L7 region (3/25) and C6-C7 (3/25). Only two of the medullary segments valuated showed histological changes, with presence of focal lymphocytic infiltration and multifocal mild hemorrhage in the gray matter. Under the conditions of this study, 40% of dogs older than seven years old showed IVD protrusions without showing neurological signs, with no abnormality of the nervous tissue in 92% of the evaluated segments. Thus, the protrusion of the IVD in some dogs, can only be a finding of no clinical relevance. MenosThe aim of this study was to verify the presence of protrusion of the intervertebral disc (IVD) causing compression of the spinal cord and/or roots of cauda equina in 30 dogs above seven years of age with no evidence of previous neurological abnormalities. After the occurrence of death or euthanasia, a laminectomy was performed from C2 to the sacral vertebra to verify the presence of IVD protrusions. The protruded IVD were macroscopically graded according to the Thompson scale, and the corresponding spinal cord segment was histologically analyzed for nervous tissue compression. Of the 30 dogs, twelve (40%) presented disc protrusion, and of these 12 dogs, seven (58%) presented more than one protruded disc. Disc protrusion was observed in 3.2% (25/780) of all IVD evaluated. Of the six chondrodystrophic dogs, five (83%) presented disc protrusion. Of the 24 nonchondrodystrophic dogs, seven (29%) presented IVD protrusion. The site that showed the highest frequency of protrusion was L4-L5 (6/25) followed by the L6-L7 region (3/25) and C6-C7 (3/25). Only two of the medullary segments valuated showed histological changes, with presence of focal lymphocytic infiltration and multifocal mild hemorrhage in the gray matter. Under the conditions of this study, 40% of dogs older than seven years old showed IVD protrusions without showing neurological signs, with no abnormality of the nervous tissue in 92% of the evaluated segments. Thus, the protrusion of the IVD in some dogs, can only be ... Mostrar Tudo |
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Palavras-Chave: |
Degeneração do disco intervertebral; Intervertebral disc degeneration; Medula espinhal; Patologia; Post mortem. |
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Thesagro: |
Cão. |
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Thesaurus NAL: |
Animal pathology; Dogs; Spinal cord. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/184969/1/Post-mortem-evaluation-of-spinal.pdf
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Marc: |
LEADER 02572naa a2200289 a 4500
001 2098072
005 2018-10-24
008 2018 bl uuuu u00u1 u #d
100 1 $aZANI, C. C.
245 $aPost mortem evaluation of spinal cord and protruded intervertebral discs in dogs without neurological abnormalities1$h[electronic resource]
260 $c2018
500 $aTítulo em português: Avaliação post mortem da medula espinhal e de discos intervertebrais protrusos em cães sem alterações neurológicas.
520 $aThe aim of this study was to verify the presence of protrusion of the intervertebral disc (IVD) causing compression of the spinal cord and/or roots of cauda equina in 30 dogs above seven years of age with no evidence of previous neurological abnormalities. After the occurrence of death or euthanasia, a laminectomy was performed from C2 to the sacral vertebra to verify the presence of IVD protrusions. The protruded IVD were macroscopically graded according to the Thompson scale, and the corresponding spinal cord segment was histologically analyzed for nervous tissue compression. Of the 30 dogs, twelve (40%) presented disc protrusion, and of these 12 dogs, seven (58%) presented more than one protruded disc. Disc protrusion was observed in 3.2% (25/780) of all IVD evaluated. Of the six chondrodystrophic dogs, five (83%) presented disc protrusion. Of the 24 nonchondrodystrophic dogs, seven (29%) presented IVD protrusion. The site that showed the highest frequency of protrusion was L4-L5 (6/25) followed by the L6-L7 region (3/25) and C6-C7 (3/25). Only two of the medullary segments valuated showed histological changes, with presence of focal lymphocytic infiltration and multifocal mild hemorrhage in the gray matter. Under the conditions of this study, 40% of dogs older than seven years old showed IVD protrusions without showing neurological signs, with no abnormality of the nervous tissue in 92% of the evaluated segments. Thus, the protrusion of the IVD in some dogs, can only be a finding of no clinical relevance.
650 $aAnimal pathology
650 $aDogs
650 $aSpinal cord
650 $aCão
653 $aDegeneração do disco intervertebral
653 $aIntervertebral disc degeneration
653 $aMedula espinhal
653 $aPatologia
653 $aPost mortem
700 1 $aMARINHO, P. V. T.
700 1 $aDIAMANTE, G. A. C.
700 1 $aSUEIRO, F. A. R.
700 1 $aARIAS, M. V. B.
773 $tPesquisa Veterinária Brasileira, Rio de Janeiro$gv. 38, n. 9, p. 1793-1799, setembro 2018
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Embrapa Unidades Centrais (AI-SEDE) |
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