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samenvatting open vragen groeistoornissen
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antwoorden op de open vragen van het hoofdstuk groeistoornissen
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Les 7: groeistoornissen-tumorenVakjargon
Zie blaadjes Margot
Open vragen
1. Geef het verschil tussen benigne en maligne tumoren (tabellen)
- Benigne tumoren = goedaardige tumoren
- Maligne tumoren = kwaadaardige tumoren
Benigne (goed) Maligne (kwaad)
Cytologie (cellen) Normaal Abnormaal
Histologie (weefselleer) Normaal Abnormaal
Mitosen (celdeling) Gering Veel
Groeisnelheid Langzaam, beperkt Snel, onbeperkt
Groeiwijze Expansief Invasief en destructief
Begrenzing Schep, ingekapseld Vaag, geen inkapseling
Recidief (opnieuw voordoen) Zelden Vaak
Metastasen (uitzaaiing) Nooit Als regel
Bloedvoorzieningen Gering Goed
Necrose (afsterven weefsel) Zelden Vaak (met bloeding)
Algemene effecten Zelden Als regel
Normaalweefsel = benigne vs kankerweefsel = maligne
Normaal weefsel (benigne) Kankerweefsel (maligne)
Satellietvorming Nee Ja
Oppervlakte Glad infectie
Begrenzing d.m.v. kapsel Ingroei in omgeving
2. Beschrijf duidelijk de epidemiologie en de etiologie van kanker en de manier van
verspreiding
Epidemiologie
Mannen
o Vooral longkanker -> uitgezaaid -> chemo helpt niet
o Prostaat
Blijven groeien
Bijna alle oudere mannen
o Dikke darm (levensstijl)
Vet
Eiwit
Komt heel vaak voor
o Blaaskanker
kleine gezwellen
o Maagkanker
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