PÒLIPOS GASTROINTESTINALES Flashcards

1
Q

Principal lesion premaligna en estoomago y colon

A

a. Gastritis cronica atrofica
b. Adenoma

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2
Q

PAF (Poliposis Adenomatosa Familiar)
¿gen?
¿cuantos polipos?
Ubicacion

A
  • Gen APC
  • > 100 polipos que suelen ser de la misma estirpe
  • Colon y recto
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3
Q

PAF ATENUADA
- Nº polipos

A
  • 30 polipos
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4
Q

SD TURCOT

A

Polipos adenomatosos GI asoc tumor primario SNC

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5
Q

GARDNER

A

Polipos adenomatosos GI asoc OSTEOMAS MULTIPLES

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6
Q

SD LYNCH

A

Ca hereditario no poliposico (OJO)
TIPO I: solo CA colorrectal
TIPO II: asoc CA extracolico (endometrio)

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7
Q

PEUTZ JEGUER

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A

Asoc Hamartomas (ID, IG)
Pigmentacion cutanea
OJO (NO ES QUE MALIGNICE), sino AL ASOC A GENES SUPRESORES DE TUMORES: pancreas, estomago, ID, mama y pulmon, utero, ovario, testiculo

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8
Q

RUVALCABA /BANNAYAN RILEY

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A

Asoc Hamartomas (ID, IG)
Macrocefalia
Lipomas multiples
Lentiginosis genital

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9
Q

COWDEN

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A
  • Hamartomas multiple
  • Por lo cual, “tipo de GENODERMATOSIS”
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10
Q

TUMOR BENIGNO Y MALIGNO MAS FRECUENTE

A

Leiomioma, Ca epidermoide

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11
Q

SINDROOMES C/:
- polipos adenomatosos
- polipos hamartomatosos

A
  • PAF, Gardner, Turcor
  • PJ, RRB, Cowden
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12
Q

Localizacion mas frecuente de Ca estomago

A

ANTRAL

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13
Q

Tumor que proviene de las CEL INTERSTICIALES DE CAJAL

A

GIST

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14
Q

CAPAS DEL ESTÒMAGO que dan origen a los tumores

A

a. MUCOSA: ADENOCARCINOMA < es lesion epitelial, por eso el polipo es lo premaligno>
b. En el MESENQUIMA: GIST
c. MS (ci le): SARCOMA

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15
Q

Mutaciones genèticas del SD LYNCH

A

MLH 1
MSH 2
MSH 6
PMS 2

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16
Q
A