Oral cancer is a common disease in many parts of the world, in chile only accounts for 1. A classificacao tnm sintetiza as caracteristicas clinicas do tumor, permitindo realizar um prognostico e possibilitando comparacoes dos resultados. Prognosis of oral cavity metastatic lesions presents an unfavorable sign, since these usually present at advanced stages of the disease in which survival goes from several months up to 2 years. Epidermoid carcinoma definition of epidermoid carcinoma by. Caracteristicas del carcinoma epidermoide cutaneo y riesgo. The majority is squamous cell carcinoma with important clinical. Oral cavity, metastatic carcinoma, bronchogenic carcinoma, gastric carcinoma. Proliferacion escamosa atipica invasiva con acantolisis e invasion perineural.
Casi siempre surgen en una queratosis actinica previa. Cervical lymph node metastases and squamous cell carcinoma of the lip. We report the case of nodal metastasis of unidentified primary squamous cell carcinoma in a 58 years old patient with white skin and a history of good health. Basal cell carcinoma is the most common and least aggressive but in a low percentage of cases, despite appropriate wide surgical margins, it can be aggressive, producing local invasion, recurrences and distance metastasis. Occult primary cancer represents, according to several series, from 0,5 % to 7 % of all diagnosed cancers, the average onset age being 60 years old. It begins in the epithelial tissue of the skin, or in the tissue that lines internal organs, such as the liver or kidneys carcinomas may spread to other parts of the body, or be confined to the primary location.
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