{"id":14695,"date":"2014-02-14T12:47:08","date_gmt":"2014-02-14T18:47:08","guid":{"rendered":"http:\/\/www.cmeded.com\/?page_id=14695"},"modified":"2023-08-24T18:50:15","modified_gmt":"2023-08-24T23:50:15","slug":"overview","status":"publish","type":"page","link":"https:\/\/cmeded.com\/es\/gastrointestinal\/understanding-anal-cancer\/overview\/","title":{"rendered":"Generalidades"},"content":{"rendered":"


\n
\"C\u00e1ncer<\/a>

Click Image to Enlarge.<\/p><\/div>
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\n

<\/p>\n

\u00bfQu\u00e9 es el c\u00e1ncer de ano?<\/h4>\n

El c\u00e1ncer de ano es aquel que se forma en las c\u00e9lulas que revisten las paredes del ano. Con la vacuna contra el VPH ahora disponible, se espera que esta tendencia comience a disminuir en las pr\u00f3ximas d\u00e9cadas. Existen alrededor de 8000 casos nuevos de c\u00e1ncer de ano en Estados Unidos por a\u00f1o, una cifra que contin\u00faa en aumento. El ano es un conducto de aproximadamente 3.80 cm que va desde el recto (la \u00faltima secci\u00f3n del intestino grueso) hasta la parte exterior del cuerpo. Posee dos m\u00fasculos esfinterianos en forma de anillos que se abren y se cierran para permitir la salida de desechos (heces) del cuerpo. El ano est\u00e1 cubierto de c\u00e9lulas escamosas, que son c\u00e9lulas planas que tambi\u00e9n se encuentran en muchas otras partes del organismo, como la piel. Por lo tanto, la mayor\u00eda de los tumores malignos de ano son carcinomas de c\u00e9lulas escamosas, que se forman en las c\u00e9lulas que se encuentran dentro del orificio del ano. Algunos tipos de c\u00e1ncer de ano tambi\u00e9n pueden ser adenocarcinomas, los cuales se forman en los tejidos glandulares que rodean el conducto anal, o en la parte superior del ano, cerca del recto. Los adenocarcinomas son mucho menos frecuentes y reciben un tratamiento similar al del c\u00e1ncer de ano. Es por eso que, en esta p\u00e1gina, nos centraremos principalmente en carcinomas de c\u00e9lulas escamosas.<\/p>\n

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