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Samenvatting Pediatrische oncologie (pediatrie 2)

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Omvat alle te kennen informatie van de lessen, powerpoint en cursus van I. De Marès - Klachten en verschijnselen: algemeen aspecifiek, passend bij maligniteit - Hemato-oncologie: ALL - Tumorlysissyndroom - Beenmergaplasie - Neuro-oncologie: hersentumoren

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Uploaded on
August 19, 2025
Number of pages
16
Written in
2025/2026
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Inhoudsopgave
1. Inleiding.................................................................................................... 3
1.1 Soorten kinderkanker................................................................................................ 3
1.2 Epidemiologie............................................................................................................ 3
1.3 Prognose................................................................................................................... 3
1.4 Behandeling van kinderkanker..................................................................................3
1.5 Kinderoncologische centra in België..........................................................................4

2. Klachten en verschijnselen.........................................................................4
2.1 Algemeen aspecifiek, passsend bij maligniteit..........................................................4

3. Hemato-oncologie: acute lymfatische leukemie (all).....................................5
3.1 Epidemiologie............................................................................................................ 5
3.2 Pathofysiologie.......................................................................................................... 5
3.3 Klinische presentatie................................................................................................. 5
Specifieke klachten passend bij leukemie....................................................................7
3.4 Diagnostiek............................................................................................................... 7
3.5 Behandeling.............................................................................................................. 7
Inductiefase.................................................................................................................. 7
Consolidatiefase........................................................................................................... 8
Onderhoudsfase........................................................................................................... 8
Toekomst: all-together 1 protocol.................................................................................9
3.6 Prognose................................................................................................................... 9
3.7 Algemene gevolgen van de behandeling van all.......................................................9
Nausea en braken......................................................................................................... 9
Aantasting mondmucosa: mucositis.............................................................................9
Aantasting van de darmmucosa: diarree/ obstipatie...................................................9
Haarverlies................................................................................................................... 9
Gevaar voor aantasting van de germinale cellen.........................................................9
Neveneffecten van corticoïden...................................................................................10
Tumorlysissyndroom.................................................................................................. 11
3.8 Hematologische complicatie: beenmergaplasie......................................................11
Gevaar voor anemie................................................................................................... 11
Gevaar voor bloedingen tgv trombopenie..................................................................11
Grootste risico: gevaar voor neutropenie...................................................................12
3.9 Specifieke bijwerkingen van cytostatica..................................................................12

4. Neuro-oncologie: hersentumoren..............................................................12
4.1 Epidemiologie.......................................................................................................... 12
4.2 Classificatie............................................................................................................. 12
Agressiviteit................................................................................................................ 12
Lokalisatie.................................................................................................................. 13


1

, 4.3 Klinische presentatie...............................................................................................13
Intracraniële overdruk................................................................................................ 13
Hoofdpijn.................................................................................................................... 13
Specifieke klachten bij tumor van het centraal zenuwstelsel......................................14
4.4 Diagnostiek............................................................................................................. 14
Laaggradige gliomen.................................................................................................. 14
Medulloblastomen en andere embryonale tumoren...................................................14
Hersenstamtumoren................................................................................................... 14
Hooggradige gliomen................................................................................................. 14
4.5 Behandelen van hersentumoren.............................................................................15
Chirurgie..................................................................................................................... 15
Chemotherapie........................................................................................................... 15
Radiotherapie............................................................................................................. 15
4.6 Complicaties van de behandeling............................................................................15
4.7 Overleving per ziektebeeld......................................................................................16
4.8 Besluit..................................................................................................................... 16




2

, ONCOLOGIE
1. INLEIDING
Relatief zeldzaam (<1%)
Kanker op Meest frequente doodsoorzaak
kinderleeftijd Behandeling in gespecialiseerde centra
Relatief lage incidentie
≠ Kanker bij Hogere kans op genezing (75%)
volwassenen Vele verschillende vormen met elk een andere behandeling

1.1 SOORTEN KINDERKANKER
- Andere verdeling dan bij volwassenen  onderscheid tussen
 Hemato-oncologische tumoren (45%)
 Solide tumoren (30-35%)
 Neuro-oncologische tumoren (20-25%)
- Meest voorkomende vormen
 Leukemie (28,9%)
 Hersentumoren (21,7%)
 Lymfomen (11,5%)

1.2 EPIDEMIOLOGIE
- Vaker jongens
- Leeftijd = geassocieerd met type
 ALL of blastoom  < 8 jaar
 Hodgkinlymfoom, testiscarcinoom, botkanker  oudere kinderen
- Stabiele incidentie
- Oorzaak = meestal onbekend
 Mogelijks verband tussen infecties op jonge leeftijd en de kans op leukemie
 Omgevingsfactoren
 Ioniserende stralen
 Chemicaliën en virussen
 Erfelijkheid  algemeen weinig rol, behalve zeldzame gevallen (retinoblastoom)
 Onderliggend ziektebeeld (Down, congenitale neutropenie, faconi-anemie, li-
fraumenisyndroom)

1.3 PROGNOSE
- 75% kans op genezing
- Huidige standaardtherapieën  grenzen bereikt van wat haalbaar is

1.4 BEHANDELING VAN KINDERKANKER
- Uitdagingen
 Doeltreffend behandelen (kleine patiëntengroepen, internationale protocollen)
 Late bijwerkingen vermijden
 Recidief behandelen (internationale studies/ nieuwe behandelingen of medicatie)
 Vaak enkel mogelijk voor eerste herval
 Weinig studies, vaak in het buitenland
 Dure medicatie
 Vaak weinig/ geen ervaring met kinderen


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