{"id":15054,"date":"2014-02-19T10:30:06","date_gmt":"2014-02-19T16:30:06","guid":{"rendered":"http:\/\/www.cmeded.com\/?page_id=15054"},"modified":"2023-08-24T18:51:20","modified_gmt":"2023-08-24T23:51:20","slug":"overview","status":"publish","type":"page","link":"https:\/\/cmeded.com\/es\/childhood\/understanding-osteosarcoma\/overview\/","title":{"rendered":"Generalidades"},"content":{"rendered":"


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\"Osteosarcoma\"\/<\/a>

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

El osteosarcoma es un tipo de c\u00e1ncer de hueso que aparece principalmente en adolescentes, pero tambi\u00e9n puede afectar a adultos. El c\u00e1ncer de hueso se origina cuando las c\u00e9lulas de los huesos comienzan a crecer de manera r\u00e1pida e irrefrenable. El sistema \u00f3seo humano est\u00e1 conformado por muchos huesos que sirven de apoyo, estructura y protecci\u00f3n para el cuerpo. Los huesos tienen un centro hueco que contiene m\u00e9dula \u00f3sea, el tejido suave y esponjoso donde se producen las c\u00e9lulas sangu\u00edneas. La parte externa y dura del hueso se denomina \"corteza\". Los huesos se conectan con otros huesos mediante ligamentos, que son bandas de tejido fibroso tipo hebra. Los huesos tambi\u00e9n contienen cart\u00edlago, que es una cubierta fuerte y flexible que protege las articulaciones y los extremos de los huesos. Hay dos tipos principales de c\u00e9lulas en los huesos: osteoclastos y osteoblastos. Los osteoclastos ayudan a degradar \u00e1reas antiguas y debilitadas de matriz \u00f3sea; mientras que los osteoblastos ayudan a reconstruir estas \u00e1reas formando hueso nuevo.<\/p>\n

Los osteosarcomas se originan en los osteoblastos, que son las c\u00e9lulas que ayudan a reconstruir las zonas del hueso que est\u00e1n debilitadas. Alrededor del 50 % de todos los casos de osteosarcoma afectan la rodilla, pero el osteosarcoma tambi\u00e9n puede formarse en la parte superior de los brazos, la pelvis u otros huesos. El osteosarcoma suele formarse en los extremos de los huesos largos de las piernas y los brazos, que crecen con m\u00e1s rapidez durante el per\u00edodo de crecimiento acelerado de los adolescentes.<\/p>\n

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