Cancer Colorectal Flashcards

1
Q

porcentaje de polipos adenomatosos que evolucionan a cancer

A

menos del 1% (pero estan claramente relacionados)

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2
Q

datos de posible malignidad de un polipo adenomatoso (2)

A
  • tamaño >2cm

- tipo histologico velloso

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3
Q

tratamiento de un polipo que alberga un carcinoma in situ

A

reseccion del polipo

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4
Q

defecto genetico condicionante de los sindrome de poliposis familiar

A

mutacion en el cromosoma 5 de transmision autosomica dominante

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5
Q

tratamiento de los sindromes de poliposis familiar

A

colectomia profilactica

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6
Q

tumor mas comun de tracto gastrointestinal y 3° a nivel general

A

el adenocarcinoma colorectal

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7
Q

factores de riesgo para desarrollar carcinoma colorectal (3)

A
  • dieta rica en grasas y obesidad
  • enfermedad inflamatoria intestinal
  • poliposis
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8
Q

principal localizacion de los adenocarcinomas colorectales

A

75% en colon descendente, hasta un 50% al alcance del sigmoidoscopio

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9
Q

clincia de los canceres de ciego y colon ascendente

A

sangre oculta en heces y rara vez obstruccion

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10
Q

clinica de los canceres de colon transverso

A

dan sintomas obstructivos mas frecuentemente

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11
Q

clincia de los canceres de colon desendente y sigmoides

A

hematoquecia y tenesmo

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12
Q

secuencia de screning y diagnostico de cancer colorectal

A
  • screening: sangre oculta en heces y tacto rectal

- diagnostico por endoscopia

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13
Q

tratamiento del cancer colorectal

A

siempre quirurgico paliativo o curativo acompañado de redioterapia

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