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Pathophysiologie (Subject) / cancer (Lesson)
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- Wat is een carcinoom? malignant tumor from epithelial tissue (endo- / ectoderm)
- wat ie een sarcoom? malignant tumor from mesoderm -> builds metastasis in bloedvessels
- wat is een benigne tumor benign tumor (gutartig) suppresses surrounding tissue -> no metestasis
- wat is een maligne tumor? malign tumor (bösartig) grows through surrounding tissue and destroys it. -> metestasis
- wat is een tumor? new building of tissue because of missregulation of cellgrowth
- types of mutation point mutation deletion insertion frameshift translocation
- wat is een Oncogene? mutated form of protooncogene -> supports unrestrained cellgrowths
- wat is een Protooncogene? is a normal gene. can be changed into oncogene by mutation caused by carcinogenes
- tumor supressor gene that suppresses the production of defekt genes (oncogenes)
- example for chemical carzinogens? tobacco smoke
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- example for physical carzinogen: uv radiation
- example vor biologic carinogen: Viruses Polyomavirus -> Cervixcacinom
- Which kind of carcinogens exist? chemical physical biological
- mutatorgene repairs defect DNA
- what is hyperlasia? building of bnign tumor = adenom
- what is dysplasia? changed cellstructure after mutation
- malignant versus benign: malignant: spread metastasis infiltrates tissue growth cellcyclerate benign: encapsulated
- anaplasia metastasis which are totaly different to primary tumor
- tumormarker: P-53 antibody -> colon rectal carcinom PSA -> prostata carcinom