Search results for "carcinoma de células escamosas"

showing 3 items of 3 documents

TLR4 expression in ex-Lichenoid lesions—oral squamous cell carcinomas and its surrounding epithelium: the role of tumor inflammatory microenvironment

2022

Toll-like receptors (TLRs) regulate innate and adaptive immune responses. Moreover, TLRs can induce a pro-survival and pro-proliferation response in tumor cells. This study aims to investigate the expression of TLR4 in the epithelium surrounding oral squamous cell carcinomas (OSCC) in relation to its inflammatory microenvironment. This study included 150 human samples: 30 normal oral control (NOC), 38 non-lichenoid epithelium surrounding OSCC (NLE-OSCC), 28 lichenoid epithelium surrounding OSCC (LE-OSCC), 30 OSCC ex-non oral lichenoid lesion (OSCC Ex-NOLL), and 24 OSCC ex-oral lichenoid lesion (OSCC Ex-OLL). TLR4 expression was investigated by immunohistochemistry and the percentage of posi…

InflammationSquamous Cell Carcinoma of Head and NeckNeoplasias bucaisBiochemistryReceptor 4 toll-likeEpitheliumToll-like receptorsToll-Like Receptor 4stomatognathic diseasestoll-like receptorsTumor microenvironmentinflammationMicroambiente tumoralHumanstoll-like receptortumor microenvironmentMouth Neoplasmshead and neck cancerTLR4Carcinoma de células escamosas de cabeça e pescoçohead and neck cancer; tumor microenvironment; inflammation; toll-like receptors; TLR4Head and neck cancerMolecular Biology
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Transformation of proliferative verrucous leukoplakia to oral carcinoma: a ten years follow-up

2004

Los autores presentan un caso de leucoplasia verrugosa proliferativa (LVP) en varón de 78 años de edad. Fue inicialmente presentado como un caso de leucoplasia en lengua pero un estudio microscópico en 1991 reveló la presencia de displasia epitelial leve. Tras 5 años de seguimiento, la lesión sufrió cambios de tamaño y localización y tuvo comportamiento recidivante. En 1996, un área eritematosa granular e indurada que apareció en lengua resultó ser un carcinoma de células escamosas microinvasivo cuando se estudió microscópicamente. Tras una revisión del comportamiento clinicopatológico de esta entidad, los autores concluyeron que se trataba de una leucoplasia verrugosa proliferativa, cuyo d…

squamous cell carcinomaMaleDysplasiamalignant transformationTime FactorsreviewOdontologíapapilomatosishistologycarcinoma de células escamosasclinical examinationEpithelial hyperplasiacase reportfollow upHumanshumandisplasiaPapillomatosisAgedLeucoplasia verrugosa proliferativa:CIENCIAS MÉDICAS [UNESCO]Ciencias de la saludproliferative verrucous leukoplakiaCell Transformation Neoplasticepithelium hyperplasialeukoplakiamouth carcinomaUNESCO::CIENCIAS MÉDICASCarcinoma Squamous Cellhiperplasia epitelialMouth NeoplasmsLeukoplakia OralFollow-Up Studies
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Cavernous sinus metastasis from oropharyngeal squamous cell carcinoma.

2007

Metastasis to the cavernous sinus from head and neck cancer is uncommon and has been previously reported by a few authors. It is usually a late manifestation of the primary tumor and may be the first evidence of a widespread dissemination of the disease. Main clinical findings are those related with involvement of cranial nerves III to VI as they pass through the cavernous sinus. Although diagnosis may be difficult, the appearance of clinical and radiological findings of cavernous sinus involvement in a context of head and neck cancer must alert us about an intracranial metastatic infiltration. In most cases treatment is palliative with radiotherapy and/or chemotherapy. The prognosis of thi…

squamous cell carcinomacáncer de orofaríngeoropharyngeal cancerOral cancercavernous sinusCáncer oral:CIENCIAS MÉDICAS [UNESCO]carcinoma de células escamosasseno cavernosoUNESCO::CIENCIAS MÉDICASmetastasishead and neck cancermetástasiscáncer de cabeza y cuello
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