Oral Squamous Cell Carcinoma Oscc
Mostrando 13-24 de 40 artigos, teses e dissertações.
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13. Epidemiological and clinicopathological assessment of potentially malignant lesions and oral cancer diagnosed in the family health strategy and specialty dental centers in two regions in the state of Cearà / AvaliaÃÃo epidemiolÃgica e clÃnico-patolÃgica de lesÃes potencialmente malignas e cÃncer de boca diagnosticadas na estratÃgia saÃde da famÃlia e centros de especialidades odontolÃgicas em duas regiÃes do interior do Estado do CearÃ
BACKGROUND: Oral malignant and potentially malignant lesions (LPM) are commom in oral cavity and diagnosis network health structure is required to improve early diagnosis. OBJECTIVE: This research had evaluated primary and secondary health care integration in oral cancer diagnosis evaluating contact with risk factors and presence of LPM and Oral squamous cel
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 29/06/2012
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14. Atividade gelatinolítica in situ e imuno-expressão das metaloproteinases 2 e 9 em lesões potencialmente malignas e carcinomas espinocelulares bucais / In situ gelatinolytic activity and immunoexpression of metalloproteinases 2 and 9 in oral potentially malignant lesions and squamous cell carcinomas
The transition from normal oral mucosa to invasive carcinoma has a complex and multifactorial etiology. Oral leukoplakia (OL) is regarded as the most prevalent potentially malignant oral lesion, with a higher tendency for malignant transformation if compared to normal oral mucosa. Although an increased activity of matrix metalloproteinases (MMPs) 2 and 9 in
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/02/2012
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15. Avaliação da linfangiogênese em carcinoma de células escamosas de boca e de sua associação com metástases nodais
Recent studies have demonstrated that metastatic behavior of some tumors is facilitated by lymphangiogenesesis in primary tumor or in lymph node environment. In the present study of lymphangiogenesis 36 paraffin-embedded samples of oral squamous cell carcinoma (OSCC) and associated lymph nodes were used. Lymphatic vessels and microvessels densities (LVD and
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 15/07/2011
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16. Immunohistochemical staining of Langerhans cells in HPV-positive and HPV-negative cases of oral squamous cells carcinoma
The Human Papillomavirus (HPV) has been strongly implicated in development of some cases of oral squamous cell carcinoma (OSCC). However, the immunological system somehow reacts against the presence of this virus. Among the cells involved in such mechanism of defense Langerhans cells (LC) stand out, which are responsible for processing and presenting antigen
J. Appl. Oral Sci.. Publicado em: 24/06/2011
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17. Immunohistochemical expression of p53, p16 and hTERT in oral squamous cell carcinoma and potentially malignant disorders
Oral carcinogenesis is a multi-step process. One possible step is the development of potentially malignant disorders known as leukoplakia and erytroplakia. The objective of this study was to use immunohistochemistry to analyze the patterns of expression of the cell-cycle regulatory proteins p53 and p16INK4a in potentially malignant disorders (PMD) of the ora
Brazilian Oral Research. Publicado em: 2011-02
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18. VEGF-C e densidade de vasos linfáticos em carcinoma espinocelular de boca: associação com as metástases linfonodais ocultas e com o prognóstico dos pacientes / VEGF-C and lymphatic vessel density in oral squamous cell carcinoma: association with occult lymph node metastasis and patients prognosis
This study evaluated the lymphatic vesssel density (LVD) in correlation with the vascular endothelial growth factor-C (VEGF-C) expression by tumors cells and with clinical and pathological variables in patients with oral squamous cell carcinomas (OSCC). Eighty-seven patients with primary OSCC, clinically T1N0M0 or T2N0M0, with occult lymph-node metastases (p
Publicado em: 2010
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19. Análise da expressão de receptores hormonais (androgênio, estrogênio alfa e beta) e da aromatase em carcinomas epidermóides de boca (CE) / Analysis of the expression of hormonal receptors (androgen, estrogen alpha and beta) and aromatase enzime in oral squamous cell carcinoma (OSCC)
Das diversas neoplasias denominadas câncer de boca, mais de 95% tem o diagnóstico de carcinoma epidermóide (CE). O carcinoma epidermóide apresenta etiologia e patogênese complexas e não totalmente compreendidas determinando altos índices de morbidade e mortalidade. Por isso crescentes esforços têm sido empregados para a melhor compreensão dos event
Publicado em: 2010
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20. Novos biomarcadores para o diagnóstico não invasivo do carcinoma oral de células escamosas
CAPÍTULO I: A detecção precoce do carcinoma oral de céulas escamosas (OSCC) é fator importante na diminuição das taxas de mortalidade e o sucesso do tratamento relaciona-se diretamente com seu diagnóstico em fases iniciais. Contudo, infelizmente, a maioria dos carcinomas orais é diagnosticada em fases tardias da doença. No presente trabalho, pela p
Publicado em: 2010
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21. Peptídeo AG73, derivado da laminina-111, induz migração, invasão e secreção de proteases em linhagem celular derivada de carcinoma epidermóide oral através de sindecana-1 e integrina b1 / Laminin-111-derived peptide AG73 regulates migration, invasion and protease activity of cell line derived from oral squamous cell carcinoma through syndecan-1 and b1 integrin.
Oral squamous cell carcinoma is a prevalent head and neck tumor, related to high mortality rates. Here we studied the role played by AG73 (RKRLQVQLSIRT, a1 chain) on migration, invasion and protease secretion of a cell line (OSCC) from human oral squamous cell carcinoma. Laminin a1 chain and MMP9 are expressed in oral squamous cell carcinoma cells in vivo an
Publicado em: 2009
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22. Expressão imunoistoquímica das proteínas c-erbB-2 e vimentina em carcinomas epidermóides bucais em correlação com características clínicas e prognóstico / Protein expression by immunohistochemistry of c-erbB-2 and vimentin in oral squamous cell carcinoma correlated with clinical features and prognosis
About of malignancies in oral mucosa, 95% are represented by oral squamous cell carcinoma (OSCC). This disease is usually aggressive, with unpredictable biological behavior and poor prognosis and the local infiltration and consequent metastases the main cause of death of patients. The identification of molecular markers that may predict the clinical course o
Publicado em: 2009
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23. Detection of HPV DNA and immunohistochemical expression of cell cycle proteins in oral carcinoma in a population of brazilian patients
This study investigated the presence of human papillomavirus (HPV) DNA and viral types in 33 cases of oral squamous cells carcinoma (OSCC) and compared the immunohistochemical expression of the cell-cycle markers p21 and pRb between cases of the disease with and without HPV. DNA was extracted from paraffin-embedded tissue and amplified by PCR for the detecti
Journal of Applied Oral Science. Publicado em: 2008-10
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24. Baixa prevalência de papilomavírus humano de alto risco na mucosa oral normal através de Captura Híbrida 2
Papilomavírus humano de alto risco (HR-HPV) é um fator reconhecido como necessário para o desenvolvimento de câncer cervical. Na última década vários estudos encontraram HR-HPV em OSCC (oral squamous cell carcinoma) e em mucosa oral normal, mas a associação entre HR-HPV e OSCC não é bem conhecida. O objetivo desse estudo foi determinar DNA de HR-H
Brazilian Journal of Microbiology. Publicado em: 2008-03