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v-lijn: urinesediment overzicht van in de les

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samenvatting van in de les (met alle te kennen leerstof)

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  • April 16, 2023
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  • 2022/2023
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  • Matthijs oyaert
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6/12/22 Urinesediment v-lijn

Powerpoint afdrukken met tekst!!!!!!

 Stationsproef: 5 microscopische beelden  beschrijven wat je ziet en eventueel
patho beschrijven
o Bv WBC en bacteri  urineweginfectie
o Bv pathologisch kristal  …
 Microscopie stuurt je in bepaalde richting (niet meteen diagnose/oorzaken)
 Concentratie van urine: afhankelijk van moment, waterinname  invloed op vorm
van de cellen
 Urinesediment 24/7: binnen 2 uur resultaat
 Microscopie niet kleuren  bright field microscopie: onderscheid cellen

Microscopisch beeld 1
 RBC  hematurie
o Rond van vorm
o Geen kern
o Kleiner dan WBC
o Kunnen dysmorf zijn (gekarteld, micky mouse cellen)  glomerulonephritis
 Kunnen door filter migreren waardoor ze mooie vorm verliezen
 Sterk geconcentreerde urine: vocht uit RBC  krimpt in
 Niet geconcentreerde urine: vocht in RBC  zwelt
 Oorzaak: niet met behulp van urinesediment
o Kwadraten: zwakke, milde, sterke en heel sterke hematurie
 Kristallen
o Vierkant met ster in het midden/ cilinders/ Andere vormen
o Niet persee pathologisch
o Urine sterk geconcentreerd/ pH  oplosbaarheid stof wordt overschreden 
neerslag
o pH < 5/6: calciumoxalaat
o Voorstadium van een steen
o Verschillende manieren van presenteren calcium oxalaat
 Dumbell
 Ovoid  lijkt op RBC (moeilijk voor automatische teller =>
urineteststrip analyse = nazicht om specifiek hemoglobine te
herkennen, ook voor WBC)
 Long
 Octahedral (diamant)
o Urinezuur
 Cilinder
 Roos
 6 hoek

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