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espanolLos tumores del intestino delgado son poco frecuentes, ya que suponen menos del 1% de todos los tumo-res. Existen multiples tipos histologicos, siendo un grupo muy heterogeneo con distintas estirpes celu-lares tanto de naturaleza benigna (adenomas, lipomas, leiomiomas) como maligna (adenocarcinoma, tu-mores neuroendocrinos, linfomas, sarcomas). Varios sindromes polipoides estan asociados a polipos de intestino delgado, incluyendo poliposis adenomatosa familiar, sindrome de Lynch, sindrome de Peutz- Jeghers, sindrome de Cowden y sindrome de poliposis juvenil. Se han descrito numerosos factores de riesgo asociados a su desarrollo tanto hereditarios como adquiridos y ambientales. Estos tumores repre-sentan un reto diagnostico, ya que habitualmente se manifiestan con clinica inespecifica y su diagnosti-co, tanto endoscopico como a traves de otras pruebas de imagen, es mas complejo en comparacion con otros tumores gastrointestinales, dada su menor accesibilidad. El tratamiento es diferente segun cada ti-po de tumor pero, en general, la extirpacion endoscopica o la reseccion quirurgica con margenes de re-seccion libres ofrece la mejor alternativa. EnglishSmall bowel tumors are a rare condition accounting less than 1% of all tumors. It is a very heterogeneous group including different cell lines, both of benign (adenomas, lipomas, leiomyomas) and malignant nature (adenocarcinoma, neuroendocrine tumors, lymphomas, sarcomas). Several polypoid syndromes are related with small-bowel polypus including familial adenomatous polyposis, Lynch syndrome, Peutz-Jeghers syndrome, Cowden syndrome and juvenile polyposis syndrome. Many risk factors associated with tumoral growth, both inherited and acquired and environmental factors, have been described. Because its non-specific symptomatology and its complex imaging diagnosis (less accessible locations), both endoscopic and with other imaging tests, their diagnosis is a challenge. Although treatment varies according with each tumor type, endoscopic removal and resection with free resection margins, it is the best alternative.
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