2009
DOI: 10.1111/j.1740-8261.2009.01545.x
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Prognostic Significance of Tumor Histology and Computed Tomographic Staging for Radiation Treatment Response of Canine Nasal Tumors

Abstract: Prognostic significance of tumor histology and four computed tomography (CT) staging methods was tested retrospectively in dogs from three treatment centers that underwent intent-to-cure-radiotherapy for intranasal neoplasia. Disease-free and overall survival times were available for 94 dogs. A grouping of anaplastic, squamous cell, and undifferentiated carcinomas had a significantly shorter median disease-free survival (4.4 mo) than a grouping of all sarcomas (10.6 months). Disease-free survivals were not sig… Show more

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Cited by 99 publications
(214 citation statements)
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“…3,4 The most common treatment of nasal tumors is daily fractionated megavoltage radiation therapy, which tends to result in better survival times (STs) than either surgery or chemotherapy tocols for canine nonlymphomatous nasal tumors rely on daily fractionation of the total dose. 3,[5][6][7][8][9][10][11][12][14][15][16][17] That requires the use of anesthesia for each fraction and despite advances in radiotherapy techniques such as three-dimensional imaging and computerized planning, a substantial volume of normal tissue still receives a considerable dose of radiation. Three-dimensional conformal therapy and IMRT reduce the volume of normal tissue receiving a high dose of radiation, thereby limiting the damage to normal tissues but both still require daily fractionated therapy.…”
Section: Introductionmentioning
confidence: 99%
“…3,4 The most common treatment of nasal tumors is daily fractionated megavoltage radiation therapy, which tends to result in better survival times (STs) than either surgery or chemotherapy tocols for canine nonlymphomatous nasal tumors rely on daily fractionation of the total dose. 3,[5][6][7][8][9][10][11][12][14][15][16][17] That requires the use of anesthesia for each fraction and despite advances in radiotherapy techniques such as three-dimensional imaging and computerized planning, a substantial volume of normal tissue still receives a considerable dose of radiation. Three-dimensional conformal therapy and IMRT reduce the volume of normal tissue receiving a high dose of radiation, thereby limiting the damage to normal tissues but both still require daily fractionated therapy.…”
Section: Introductionmentioning
confidence: 99%
“…Estas vantagens permitem que este seja um dos procedimentos mais indicados como método diagnóstico prévio nos casos suspeitos de afecção nasal, entretanto, não o torna exame de excelência diagnóstica, pois a interpretação radiográfica da cavidade nasal e das estruturas circundantes muitas vezes é prejudicada pela sobreposição de imagens, posicionamento inadequado do cão, além da variabilidade racial e estrutural do crânio destes animais (MYER, 1994;DOUST;SULLIVAN, 2004;DAVIDSON et al, 2004;POWDER;ROSE;CRAWFORD, 2006;DAVIDSON et al, 2004;LEFEBVRE;KUEHN;WORTINGER, 2005;ASHBAUGH, 2013;AULER et al, 2014) Já a tomografia computadorizada de cabeça (TCC), além de excelente ferramenta diagnóstica, vem também, há algum tempo, sendo indicada para avaliar o estadiamento do curso de afecções neoplásicas, auxiliando na escolha da modalidade terapêutica e sugerindo o prognóstico (LEFEBVRE; KUEHN;WORTINGER, 2005;ADAMS et al, 2009;AULER et al, 2015), principalmente em casos de câncer na região de cabeça e pescoço.…”
Section: Exames De Imagemunclassified
“…Para avaliar a extensão de tumores intranasais e sinonasais, já foram descritos alguns sistemas de estadiamento em cães, associando o emprego da TCC em conjunto com exame radiográfico, para avaliação do tempo de sobrevida destes animais (ADAMS et al, 1998;KONDO et al, 2008;ADAMS et al, 2009). Baseado no estadiamento de Adams et al (1998) e Geiger et al (2013) avaliaram dados de seis instituições, totalizando 55 animais, entretanto, foram selecionados 37 animais com carcinoma nasal, onde 26 cães tinham sido submetidos à TCC (n=25) e ressonância magnética (n=1).…”
Section: Exames De Imagemunclassified
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