oral tumors in dogs: clinical aspects, exfoliative cytology and histopathology neoplasias orais em cães: avaliação dos aspectos clínicos, histopatologia e citologia esfoliativa

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ID: 180205
1999
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Abstract
In order to establish the diagnosis and prognosis of tumors of the oral cavity, a comparative study was carried out in 130 dogs considering age, sex, breed, clinical aspects, exfoliative cytology as well as histopathology. Exfoliative cytology revealed: 100% negative for benign non-odontogenic tumors, 97.91% negative benign odontogenic tumors and 77.92% positive for malignant tumors. Histopathology showed: 59.23% malignant tumors (33.08% malignant melanoma, 9.23% squamous cell carcinoma, 5.38% osteosarcoma, 2.31% fibrosarcoma, 2.31% angiosarcoma, 1.54% malignant mesenchymal tumors, 1.54% malignant fibrohistiocytoma, 1.54% lymphoma, 0.77% leyomyosarcoma, 0.77%% epithelioid sarcoma and 0.77% angiofibrosarcoma); 36.92% benign odontogenic tumors (25.38% peripheral odontogenic fibroma, 10.0% ossifyng fibroma and 1.54% odontoma) in addition to 3.85% benign non-odontogenic tumors (1.54% fibroma, 0.77% plasmocytoma, 0.77% pilomatrixoma and 0.77% giant tumor cells). These results permit us to conclude that exfoliative cytology was an efficient, safe, quick and noninvasive method and could be used for early evaluation of oral cancer.
Objetivou-se o estudo comparativo em tumores de cavidade bucal de animais de espécie canina de acordo com sexo, faixa etária, raça, aspectos clínicos, citologia esfoliativa e histopatologia, para estabelecer diagnóstico dessas neoplasias, tendo sido utilizados 130 cães, encaminhados ao Hospital Veterinário (HOVET) da Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo. Os resultados obtidos na citologia esfoliativa foram: 100% de negativos para neoplasias benignas não odontogênicas; 97,91% de negativos para neoplasias benignas odontôgenicas e 77,92% de positivos para neoplasias malignas. Obtiveram-se os seguintes resultados no exame histopatológico: neoplasias malignas - 59,23% (melanoma 33,08%, carcinoma epidermóide 9,23%, osteossarcoma 5,38%, fibrossarcoma 2,31%, angiossarcoma 2,31%, neoplasia mesenguimal maligna 1,54%, fibrohistiocitoma 1,54%, linfoma 1,54%, leiomiossarcoma 0,77%, sarcoma epitelióide 0,77% e angiofibrossarcoma 0,77%); neoplasias benignas odontogênicas 36,92% (fibroma odontogênico periférico 25,38%, fibroma ossificante 10,0% e odontoma 1,54%) e neoplasias benignas não odontogênicas 3,85% (fibroma 1,54%, lesão de células gigantes 0,77%, pilomatrixoma 0,77% e plasmocitoma 0,77%). Concluiu-se que a citologia esfoliativa constitui-se em método eficaz, seguro, rápido e incruento na avaliação precoce de neoplasias de cavidade bucal de cães. Observando-se os aspectos clínicos, resultados citológicos e histopatológicos, pode-se fornecer diagnóstico preciso e, conseqüentemente, prognóstico para o paciente com lesão tumoral.
Reference Key
felizzola1999cinciaoral Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Cláudia Ronca Felizzola;Angelo João Stopiglia;Ney Soares de Araújo
Journal Trials
Year 1999
DOI
10.1590/S0103-84781999000300020
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84781999000300020
Keywords
histopathology oral cancer dogsagricultureagriculture (general)

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