Lymphatic Metastasis
Mostrando 13-24 de 51 artigos, teses e dissertações.
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13. 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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14. M2-Polarized tumor-associated macrophages are associated with poor prognoses resulting from accelerated lymphangiogenesis in lung adenocarcinoma
OBJECTIVES: Tumor-associated macrophages have been implicated in promoting tumor growth, progression and metastasis. However, the activated phenotype (M1 or M2) of tumor-associated macrophages remains unknown in solid tumors. Therefore, this study examined the density and prognostic significance of M2-polarized tumor-associated macrophages in lung adenocarci
Clinics. Publicado em: 2011
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15. Modelo Experimental em Caninos para a Pesquisa de Linfonodo Sentinela do EstÃmago / Experimental Model in Canines for Research Sentinel node Stomach
A gastrectomia com linfadenectomia ampliada ainda à o padrÃo ouro para o tratamento curativo do cÃncer de estÃmago (CaE), embora este procedimento possa levar a alto Ãndice de morbidade ou mortalidade, principalmente nos pacientes que nÃo apresentem disseminaÃÃo linfÃtica da doenÃa. A pesquisa do linfonodo sentinela (LS), jà consagrada nos tumores
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 26/02/2010
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16. 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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17. Analise comparativa da eficácia do método imuno-histoquímico (d2-40 e cd34) e coloração de rotina (he) para detecção de invação vascular linfática e sanguinea no carcinoma gástrico
BACKGROUND: Worldwide, gastric carcinoma (GC) is the second largest cause of cancer-related death. The TNM staging system for GC is widely used and it provides important prognostic information, especially with regards to the lymph node status. The presence of lymphatic invasion (LVI) detected on the primary tumor is the strongest risk factor for lymph node m
Publicado em: 2010
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18. Expression of E-cadherin, Snail and Hakai in epithelial cells isolated from the primary tumor and from peritumoral tissue of invasive ductal breast carcinomas
Epithelial intercellular cohesion, mainly mediated by E-cadherin (CDH1) expression and function, may be deregulated during cancer cell invasion of adjacent tissues and lymphatic and vascular channels. CDH1 expression is down-modulated in invasive lobular breast carcinomas but its regulation in invasive ductal carcinomas (IDC) is less clear. CDH1 expression i
Brazilian Journal of Medical and Biological Research. Publicado em: 2009-12
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19. Retroperitoneal and lateral pelvic lymphadenectomy mapped by lymphoscintigraphy and blue dye for rectal adenocarcinoma staging / Linfonodectomia retroperitoneal e pélvica lateral guiada por radiotraçador e azul patente no estadiamento do adenocarcinoma do reto
INTRODUÇÃO: A excisão total do mesorreto é o procedimento cirúrgico padrão para o tratamento do adenocarcinoma do reto. Resultados satisfatórios, em termos de prognóstico, alcançados com a associação da linfonodectomia retroperitoneal e pélvica lateral questionam se somente a excisão total do mesorreto seria suficiente para um estadiamento adequ
Publicado em: 2009
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20. Individual risk prediction of node and distant metastasis based on lymphangiogenic intensity in typical pulmonary carcinoid tumor / Predição do risco individual de metástase linfática e hematogênica em função da intensidade da linfangiogênese no tumor carcinóide típico broncopulmonar
Typical pulmonary carcinoids are neuroendocrine cells proliferations and they were former considered lung adenomas with no hematogenic or lymphatic metastatic potential. However, it is known that up to 20% of patients develop metastatic disease. It is mandatory that new studies be developed due to the variation in clinical presentation of these patients. It
Publicado em: 2008
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21. Adenocarcinoma colorretal: aspectos anatomopatológicos e imuno-histoquímicos do crescimento tumoral, do citoesqueleto e de marcadores de regulação do pH intracelular / Colorectal adenocarcinoma:anatomopathological and imunohistochemical aspects of tumor growth, cytoskeleton and of intracellular pH regulator markers
The aims of this study in colorectal carcinoma were: 1) Verify the distribution of the most important anatomopathological variables, and identifying their relationship with lymph node or liver metastasis. 2) Considering the associations obtained in the first aim, a group of variables was selected to verify the prediction of lymph node or liver metastasis. 3)
Publicado em: 2008
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22. Linfangite carcinomatosa: impacto da terapêutica paliativa na qualidade de vida e prognóstico / Neoplastic pulmonary lymphangitis (NPL) is the intrapulmonary spread of metastatic neoplasm via lymphatic tissue, and accounts for 6-8% of lung metastasis: symptom distress has great impact on quality of life
Our objective was to evaluate clinical aspects, treatment, QoL, and survival, in NPL in a prospective study. Median follow-up was of 32 days; 79% percent of patients were followed for less than 6 months, due to bad outcome. Median age was 60.5 years; 65% were female. Most primary tumor sites were lung and breast cancers (88%). QoL was compromised, but could
Publicado em: 2008
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23. Expression of somatostatin receptor type 2 (SSTR-2) and its relation with lymphatic metastasis and preoperative clinical features in typical bronchopulmonary carcinoid tumors / Expressão de receptores de somatostatina subtipo 2 (SSTR-2) e a sua relação com metástase linfática e variáveis clínicas pré-operatórias em tumores carcinóides broncopulmonares típicos
Os tumores carcinóides broncopulmonares típicos (CT) são proliferações de células neuroendócrinas. Foram consideradas como adenomas e acreditava-se que não tinham potencial para disseminação hematogênica e linfática. Porém, a ocorrência de metástase linfática e hematogênica acontece em um quinto dos indivíduos acometidos por essa patologia.
Publicado em: 2008
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24. Expression of vascular endothelial growth factor -C in oral squamous cell carcinoma: correlation with occult lymph node metastasis and patients prognosis / Expressão de VEGF-C em carcinomas espinocelulares de boca: correlação com as metástases linfonodais ocultas e com o prognóstico dos pacientes
A forte expressão do fator de crescimento endotelial vascular do tipo -C (VEGF-C) tem sido correlacionada com a presença de metástases linfonodais em carcinomas espinocelulares (CECs) de boca. O objetivo deste estudo consistiu em avaliar a expressão imuno-histoquímica do anticorpo anti-VEGF-C, nas células malignas de pacientes com CEC de boca em estád
Publicado em: 2007