actinic cheilitis and squamous cell carcinoma of the lip: clinical, histopathological and immunogenetic aspects queilite actínica e carcinoma espinocelular do lábio: aspectos clínicos, histopatológicos e imunogenéticos

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2012
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Abstract
Actinic cheilitis is the main precancerous lesion of the lip. Squamous cell carcinoma of the lip is reported together with oral carcinomas in the Brazilian official statistics. Overall, they account for 40% of the head and neck carcinomas. In general, physicians and dentists know little about what causes oral tumor development and progression. Tumor suppressor genes and cell proliferation regulatory proteins play a role in the progression of actinic cheilitis to squamous cell carcinoma and in its biological behavior. Knowledge on prognostic and diagnostic markers has a positive impact on the follow-up of these patients.
Queilite actínica é a principal lesão pré-neoplásica do lábio. O carcinoma espinocelular do lábio é incluído nas estatísticas brasileiras junto com os cânceres de boca e, em conjunto, somam 40% dos cânceres de cabeça e pescoço. Há certo desconhecimento médico e odontológico em geral quanto aos fatores relacionados à carcinogênese e à progressão de tumores de boca. Genes de supressão tumoral e proteínas regulatórias de proliferação celular exercem papel na evolução da queilite actínica para carcinoma espinocelular e no comportamento biológico deste. O conhecimento de marcadores de diagnóstico e prognóstico e sua investigação têm utilidade no acompanhamento de tais pacientes.
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Authors ;Renata Aparecida Martinez Antunes Ribeiro Vieira;Eliana Maria Minicucci;Mariangela Esther Alencar Marques;Silvio Alencar Marques
Journal Theriogenology
Year 2012
DOI
10.1590/S0365-05962012000100013
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