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corpuscancer Flashcards

(11 cards)

1
Q

indelning corpuscancer

A

endometriecancer 90% = adenocarcinom

uterus-sarkom

  • myometrium
  • stödjeväv
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2
Q

vilka histologiska indelningar finns

A

typ1: endometriod adenocarcinom
typ2: icke-endometriod
- serös
- klarcellig
- carcinosarkom

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3
Q

utveckling typ 1 vs typ 2

A

typ 1: ÖSTROGEN STIMULERAT
- hyperplasi, komplex hyperplasi, komplex atypisk hyperplasi, endometriod cancer

typ 2
- atrofisk slemhinna, endometrial intraepitelial lesion - serös cancer
(olika processer för olika subtyper dock)

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4
Q

vilka molekulära indelningar finns det av endometriecancer

A

POLE mutation
MSI hypermutation: endometriod cancer
copy number low
hig: serös cancer, dålig prognos

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5
Q

friskfaktorer

A

kombinerade p-piller, gestagen
rökning: hämmar östrogen troligen
diet
motion

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6
Q

riskfaktorer

A

barnlöshet
ensidig östrogenstimulering; HRT utan gestagen, tumör
PCOS
tidig menarch, sen MP
LYNCH; mutation i MMR ger risk för typ 1 och 2

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7
Q

beskriv hur fetma är en riskfaktor

A

östrogen ökar via perifert aromatas, mindre syntes av SHBG pga hyperinsulinemi
mindre IGF-BP

mer IGF och östrogen stimulerar proliferatin

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8
Q

vad gäller för typ 1 endometriodcancer

A

80%, god prognos, hittas oftast tidigt

  • risk vid östrogen och lynch
  • hormonR+, diploid
  • PIK3CA muterad i 90% - KRAS, FGFR2
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9
Q

vad gäller för typ 2

A

20%

  • klarcellig
  • carcinosarkom
  • SERÖS: BMI, DM2, lynch och östrogen risk

hormonRnegativa, anaploida

mutation p53
klarcellig: ARIDA-1A
aggressiv, dålig prognos

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10
Q

indelning FIGO

A
  1. endometrie B: myometrie
    2: cervix
    3: vagina, äggstock, LN
    3: blåsa, tarm B: metastas
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11
Q

behanding

A

OP, även äldre: total hysterektomi med bilateralt SOE

annars

  • strålning
  • gestagen: om hormonpostiv
  • cyostatika
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