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Primary non-metastatic omental myofibrosarcoma in a horse
ABSTRACT Myofibrosarcoma in horses is a rare malignant tumor composed predominantly by myofibroblasts. A 15-year-old horse was referred to the Veterinary Hospital of the Federal University of Parana for evaluation of colic signs. Initial physical examination showed icteric mucous membrane and labora...
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Published in: | Arquivo brasileiro de medicina veterinária e zootecnia 2022-06, Vol.74 (3), p.514-518 |
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description | ABSTRACT Myofibrosarcoma in horses is a rare malignant tumor composed predominantly by myofibroblasts. A 15-year-old horse was referred to the Veterinary Hospital of the Federal University of Parana for evaluation of colic signs. Initial physical examination showed icteric mucous membrane and laboratory analysis found anemia, increased serum activity of ALT, GGT, ALP, and bilirubin. In the exploratory laparotomy a highly vascularized abdominal mass in the left hypochondrium region of approximately 50cm x 45cm x 30cm, adhered to the surrounding structures was observed. Due to the size and adhesions to the omentum, the mass was considered surgically unresectable, and euthanasia was performed followed by necropsy. The immunohistochemical and morphological results indicate the diagnosis of myofibrosarcoma since the neoplastic cells immunoexpressed Vimentin, HHF35 and S100. To the authors’ knowledge, this is the first equine case of omental myofibrosarcoma described in the literature.
RESUMO O miofibrossarcoma em cavalos é um raro tumor maligno, composto predominantemente por miofibroblastos. Um equino, de 15 anos de idade, foi encaminhado ao Hospital Veterinário da Universidade Federal do Paraná, para avaliação de sinais de cólica. O exame clínico inicial apresentou mucosas ictéricas e, nos exames laboratoriais, revelou anemia e aumento sérico de ALT, GGT, ALP e bilirrubina. Na laparotomia exploratória, observou-se massa abdominal vascularizada de aproximadamente 50cm x 45cm x 30cm na região do hipocôndrio esquerdo e aderida às estruturas circunvizinhas. Devido ao tamanho e às aderências ao omento, a massa foi considerada irressecável cirurgicamente, portanto foi realizada a eutanásia e a necropsia. Os resultados imuno-histoquímicos e morfológicos indicam o diagnóstico de miofibrossarcoma, visto que as células neoplásicas imunoexpressaram Vimentin, HHF35 e S100. Portanto, esse é o primeiro caso em equinos de miofibrossarcoma omental descrito na literatura. |
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RESUMO O miofibrossarcoma em cavalos é um raro tumor maligno, composto predominantemente por miofibroblastos. Um equino, de 15 anos de idade, foi encaminhado ao Hospital Veterinário da Universidade Federal do Paraná, para avaliação de sinais de cólica. O exame clínico inicial apresentou mucosas ictéricas e, nos exames laboratoriais, revelou anemia e aumento sérico de ALT, GGT, ALP e bilirrubina. Na laparotomia exploratória, observou-se massa abdominal vascularizada de aproximadamente 50cm x 45cm x 30cm na região do hipocôndrio esquerdo e aderida às estruturas circunvizinhas. Devido ao tamanho e às aderências ao omento, a massa foi considerada irressecável cirurgicamente, portanto foi realizada a eutanásia e a necropsia. Os resultados imuno-histoquímicos e morfológicos indicam o diagnóstico de miofibrossarcoma, visto que as células neoplásicas imunoexpressaram Vimentin, HHF35 e S100. Portanto, esse é o primeiro caso em equinos de miofibrossarcoma omental descrito na literatura.</description><identifier>ISSN: 0102-0935</identifier><identifier>ISSN: 1678-4162</identifier><identifier>EISSN: 1678-4162</identifier><identifier>DOI: 10.1590/1678-4162-12503</identifier><language>eng</language><publisher>Universidade Federal de Minas Gerais, Escola de Veterinária</publisher><subject>immunohistochemistry ; myofibroblast ; myofibroblastic sarcoma ; neoplasia ; VETERINARY SCIENCES</subject><ispartof>Arquivo brasileiro de medicina veterinária e zootecnia, 2022-06, Vol.74 (3), p.514-518</ispartof><rights>This work is licensed under a Creative Commons Attribution 4.0 International License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c271t-4bb7dc3fae819ff52cb68093067a6f8c17265f26153fc4fd9cba1bae38f8a1173</cites><orcidid>0000-0002-6562-9585 ; 0000-0001-5496-8912 ; 0000-0002-1576-9547 ; 0000-0003-4324-5481 ; 0000-0002-8881-5479 ; 0000-0002-2151-5957 ; 0000-0002-6491-9302 ; 0000-0002-0280-6548</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,777,781,882,24131,27905,27906</link.rule.ids></links><search><creatorcontrib>Cocco, M.</creatorcontrib><creatorcontrib>Lorga, A.D.</creatorcontrib><creatorcontrib>Ferreira, A.A.</creatorcontrib><creatorcontrib>Ribeiro Filho, P.A.R.</creatorcontrib><creatorcontrib>Teixeira, W.T.</creatorcontrib><creatorcontrib>Castro, J.L.C.</creatorcontrib><creatorcontrib>Souza, R.S.</creatorcontrib><creatorcontrib>Dornbusch, P.T.</creatorcontrib><title>Primary non-metastatic omental myofibrosarcoma in a horse</title><title>Arquivo brasileiro de medicina veterinária e zootecnia</title><addtitle>Arq. Bras. Med. Vet. Zootec</addtitle><description>ABSTRACT Myofibrosarcoma in horses is a rare malignant tumor composed predominantly by myofibroblasts. A 15-year-old horse was referred to the Veterinary Hospital of the Federal University of Parana for evaluation of colic signs. Initial physical examination showed icteric mucous membrane and laboratory analysis found anemia, increased serum activity of ALT, GGT, ALP, and bilirubin. In the exploratory laparotomy a highly vascularized abdominal mass in the left hypochondrium region of approximately 50cm x 45cm x 30cm, adhered to the surrounding structures was observed. Due to the size and adhesions to the omentum, the mass was considered surgically unresectable, and euthanasia was performed followed by necropsy. The immunohistochemical and morphological results indicate the diagnosis of myofibrosarcoma since the neoplastic cells immunoexpressed Vimentin, HHF35 and S100. To the authors’ knowledge, this is the first equine case of omental myofibrosarcoma described in the literature.
RESUMO O miofibrossarcoma em cavalos é um raro tumor maligno, composto predominantemente por miofibroblastos. Um equino, de 15 anos de idade, foi encaminhado ao Hospital Veterinário da Universidade Federal do Paraná, para avaliação de sinais de cólica. O exame clínico inicial apresentou mucosas ictéricas e, nos exames laboratoriais, revelou anemia e aumento sérico de ALT, GGT, ALP e bilirrubina. Na laparotomia exploratória, observou-se massa abdominal vascularizada de aproximadamente 50cm x 45cm x 30cm na região do hipocôndrio esquerdo e aderida às estruturas circunvizinhas. Devido ao tamanho e às aderências ao omento, a massa foi considerada irressecável cirurgicamente, portanto foi realizada a eutanásia e a necropsia. Os resultados imuno-histoquímicos e morfológicos indicam o diagnóstico de miofibrossarcoma, visto que as células neoplásicas imunoexpressaram Vimentin, HHF35 e S100. Portanto, esse é o primeiro caso em equinos de miofibrossarcoma omental descrito na literatura.</description><subject>immunohistochemistry</subject><subject>myofibroblast</subject><subject>myofibroblastic sarcoma</subject><subject>neoplasia</subject><subject>VETERINARY SCIENCES</subject><issn>0102-0935</issn><issn>1678-4162</issn><issn>1678-4162</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNo9kEtLw0AUhQdRsFbXbvMH0t47ybyWUnwUCgrqeriZzGhKk5FJXPTfmzTS1YED5_DxMXaPsEJhYI1S6bxEyXPkAooLtjg3l2wBCDwHU4hrdtP3ewBeGoMLZt5S01I6Zl3s8tYP1A80NC6Lre8GOmTtMYamSrGn5GJLWdNllH3H1PtbdhXo0Pu7_1yyz6fHj81Lvnt93m4edrnjCoe8rCpVuyKQ12hCENxVUo8gIBXJoB0qLkXgEkURXBlq4yrCinyhgyZEVSzZdv6tI-3tz4xrIzX2VMT0ZSmNyAdvq1J7RarUQphSuUBaC47GS4lQ10Tj12r-6l3jD9Hu42_qRnj7Pvmxkx8OnANAASCwHAfreeBGBX3y4QyAYCftdpJsJ8n2pL34A5dpcgc</recordid><startdate>20220601</startdate><enddate>20220601</enddate><creator>Cocco, M.</creator><creator>Lorga, A.D.</creator><creator>Ferreira, A.A.</creator><creator>Ribeiro Filho, P.A.R.</creator><creator>Teixeira, W.T.</creator><creator>Castro, J.L.C.</creator><creator>Souza, R.S.</creator><creator>Dornbusch, P.T.</creator><general>Universidade Federal de Minas Gerais, Escola de Veterinária</general><general>Universidade Federal de Minas Gerais</general><scope>AAYXX</scope><scope>CITATION</scope><scope>GPN</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0002-6562-9585</orcidid><orcidid>https://orcid.org/0000-0001-5496-8912</orcidid><orcidid>https://orcid.org/0000-0002-1576-9547</orcidid><orcidid>https://orcid.org/0000-0003-4324-5481</orcidid><orcidid>https://orcid.org/0000-0002-8881-5479</orcidid><orcidid>https://orcid.org/0000-0002-2151-5957</orcidid><orcidid>https://orcid.org/0000-0002-6491-9302</orcidid><orcidid>https://orcid.org/0000-0002-0280-6548</orcidid></search><sort><creationdate>20220601</creationdate><title>Primary non-metastatic omental myofibrosarcoma in a horse</title><author>Cocco, M. ; Lorga, A.D. ; Ferreira, A.A. ; Ribeiro Filho, P.A.R. ; Teixeira, W.T. ; Castro, J.L.C. ; Souza, R.S. ; Dornbusch, P.T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c271t-4bb7dc3fae819ff52cb68093067a6f8c17265f26153fc4fd9cba1bae38f8a1173</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>immunohistochemistry</topic><topic>myofibroblast</topic><topic>myofibroblastic sarcoma</topic><topic>neoplasia</topic><topic>VETERINARY SCIENCES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cocco, M.</creatorcontrib><creatorcontrib>Lorga, A.D.</creatorcontrib><creatorcontrib>Ferreira, A.A.</creatorcontrib><creatorcontrib>Ribeiro Filho, P.A.R.</creatorcontrib><creatorcontrib>Teixeira, W.T.</creatorcontrib><creatorcontrib>Castro, J.L.C.</creatorcontrib><creatorcontrib>Souza, R.S.</creatorcontrib><creatorcontrib>Dornbusch, P.T.</creatorcontrib><collection>CrossRef</collection><collection>SciELO</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>Arquivo brasileiro de medicina veterinária e zootecnia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cocco, M.</au><au>Lorga, A.D.</au><au>Ferreira, A.A.</au><au>Ribeiro Filho, P.A.R.</au><au>Teixeira, W.T.</au><au>Castro, J.L.C.</au><au>Souza, R.S.</au><au>Dornbusch, P.T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Primary non-metastatic omental myofibrosarcoma in a horse</atitle><jtitle>Arquivo brasileiro de medicina veterinária e zootecnia</jtitle><addtitle>Arq. Bras. Med. Vet. Zootec</addtitle><date>2022-06-01</date><risdate>2022</risdate><volume>74</volume><issue>3</issue><spage>514</spage><epage>518</epage><pages>514-518</pages><issn>0102-0935</issn><issn>1678-4162</issn><eissn>1678-4162</eissn><abstract>ABSTRACT Myofibrosarcoma in horses is a rare malignant tumor composed predominantly by myofibroblasts. A 15-year-old horse was referred to the Veterinary Hospital of the Federal University of Parana for evaluation of colic signs. Initial physical examination showed icteric mucous membrane and laboratory analysis found anemia, increased serum activity of ALT, GGT, ALP, and bilirubin. In the exploratory laparotomy a highly vascularized abdominal mass in the left hypochondrium region of approximately 50cm x 45cm x 30cm, adhered to the surrounding structures was observed. Due to the size and adhesions to the omentum, the mass was considered surgically unresectable, and euthanasia was performed followed by necropsy. The immunohistochemical and morphological results indicate the diagnosis of myofibrosarcoma since the neoplastic cells immunoexpressed Vimentin, HHF35 and S100. To the authors’ knowledge, this is the first equine case of omental myofibrosarcoma described in the literature.
RESUMO O miofibrossarcoma em cavalos é um raro tumor maligno, composto predominantemente por miofibroblastos. Um equino, de 15 anos de idade, foi encaminhado ao Hospital Veterinário da Universidade Federal do Paraná, para avaliação de sinais de cólica. O exame clínico inicial apresentou mucosas ictéricas e, nos exames laboratoriais, revelou anemia e aumento sérico de ALT, GGT, ALP e bilirrubina. Na laparotomia exploratória, observou-se massa abdominal vascularizada de aproximadamente 50cm x 45cm x 30cm na região do hipocôndrio esquerdo e aderida às estruturas circunvizinhas. Devido ao tamanho e às aderências ao omento, a massa foi considerada irressecável cirurgicamente, portanto foi realizada a eutanásia e a necropsia. Os resultados imuno-histoquímicos e morfológicos indicam o diagnóstico de miofibrossarcoma, visto que as células neoplásicas imunoexpressaram Vimentin, HHF35 e S100. Portanto, esse é o primeiro caso em equinos de miofibrossarcoma omental descrito na literatura.</abstract><pub>Universidade Federal de Minas Gerais, Escola de Veterinária</pub><doi>10.1590/1678-4162-12503</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-6562-9585</orcidid><orcidid>https://orcid.org/0000-0001-5496-8912</orcidid><orcidid>https://orcid.org/0000-0002-1576-9547</orcidid><orcidid>https://orcid.org/0000-0003-4324-5481</orcidid><orcidid>https://orcid.org/0000-0002-8881-5479</orcidid><orcidid>https://orcid.org/0000-0002-2151-5957</orcidid><orcidid>https://orcid.org/0000-0002-6491-9302</orcidid><orcidid>https://orcid.org/0000-0002-0280-6548</orcidid><oa>free_for_read</oa></addata></record> |
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title | Primary non-metastatic omental myofibrosarcoma in a horse |
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