{"id":15114,"date":"2014-02-19T11:23:56","date_gmt":"2014-02-19T17:23:56","guid":{"rendered":"http:\/\/www.cmeded.com\/?page_id=15114"},"modified":"2023-08-24T18:50:53","modified_gmt":"2023-08-24T23:50:53","slug":"overview","status":"publish","type":"page","link":"https:\/\/cmeded.com\/es\/eye\/understanding-retinoblastoma\/overview\/","title":{"rendered":"Generalidades"},"content":{"rendered":"


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\"Retinoblastoma\"\/<\/a>

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\u00bfQu\u00e9 es el retinoblastoma?<\/h4>\n

El c\u00e1ncer puede desarrollarse en el globo ocular o en estructuras cercanas, como los p\u00e1rpados o la \u00f3rbita. A menudo, los tumores en el ojo son metast\u00e1sicos y han llegado al ojo desde otras partes el organismo. Los tipos de c\u00e1ncer de globo ocular primario m\u00e1s frecuentes son los melanomas del ojo y los retinoblastomas. El retinoblastoma es el tipo de c\u00e1ncer de ojo primario m\u00e1s frecuente en ni\u00f1os; se forma en la retina, que contiene c\u00e9lulas que perciben la luz y transmiten se\u00f1ales a trav\u00e9s del nervio \u00f3ptico al cerebro. El cerebro luego interpreta estas se\u00f1ales como im\u00e1genes. Los retinoblastomas pueden desarrollarse a cualquier edad, pero son m\u00e1s frecuentes en ni\u00f1os menores de 5 a\u00f1os de edad. Pueden deberse a una mutaci\u00f3n gen\u00e9tica en el cromosoma 13. Esta mutaci\u00f3n gen\u00e9tica puede transmitirse de padres a hijos o puede presentarse de manera espont\u00e1nea. Un ni\u00f1o que tiene un retinoblastoma hereditario presenta un riesgo mayor de contraer retinoblastoma trilateral, en el cual el c\u00e1ncer se forma en la gl\u00e1ndula pineal, en medio del cerebro. Los retinoblastomas pueden formarse en un solo ojo o en ambos; en Am\u00e9rica del Norte y en Europa Occidental rara vez se diseminan desde el ojo hasta tejidos cercanos u otras partes del organismo. En los pa\u00edses en v\u00edas de desarrollo, es m\u00e1s frecuente que el c\u00e1ncer se disemine.<\/p>\n

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