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Dermatologie C1 samenvatting
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Samenvatting van dermatologie blok C1 huidtherapie
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By: lerenvoorjetestvision • 5 year ago
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C-DERM C1-1 Talg- en zweetklierenAcne vulgaris
= chronische ontsteking van de talgklierfollikel, gekenmerkt door het
voorkomen van comedonen, papels, infiltraten en pustels.
Bij provoke is het altijd folliculair gerangschikt!!!
3 haarfollikeltypen in het gelaat:
1. follikels met terminale baardharen
a. gepigmenteerd
b. bevatten een dikhaar
c. zijn niet te follikels waaruit de acne ontstaat
2. follikels met kleine vellusharen
a. vellusharen vullen de gehele follikelopening
b. kleine talgklier, opening sluit netjes om de vellushaar heen
3. talgklierfollikels
a. grote talgklieren en kleine vellusharen
b. follikelopening is groot, veel ruimte om het vellushaartke
voorkeursplaatsen van acne (uitvoergangetje van de talgklier) =
infundibulum
1. acro-infundibulum
2. intra-infundibulum
Bij acne is de keratinisatie van het infrainfundibulum gewijzigd.
Hoe wordt de afvoer van talg belemmerd?
- microcomedo gesloten comedo (witte comedo); laat zich niet
makkelijk uitduwen (huidcellen en talg) open comedo (zwarte
comedo).
Pathogenetische factoren:
1. hyperkeratose en obstructie van de talgklieruitvoergang
a. talgproductie is hoog en kan er niet door acne (door
androgenen en testosteron).
2. bacteriële kolonisatie van de talgklier
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