Klinefelter syndroom Flashcards
1
Q
Wat is het karyotype van Klinefelter syndroom?
A
47,XXY
2
Q
PF klinefelter syndroom?
A
Testicular dysgenesis leads to:
- Seminiferous tubules dysgenesis → loss of Sertoli cells → ↓ inhibin B → ↑ FSH
- Leydig cell dysfunction → ↓ testosterone → ↑ LH
- Both ↑ LH and ↑ FSH lead to increased conversion of testosterone to estrogen.
3
Q
Kliniek Klinefelter syndroom?
A
- Eunuchoid groeipatroon: lang, smal, lange extremiteiten, vertraagd sluiten groeischijven
- Gynaecomastie
- Testiculaire atrofie
4
Q
risicofactor syndroom van Klinefelter?
A
Testiculaire kanker
5
Q
Diagnose van syndroom van klinefelter?
A
Karyotypering
6
Q
Behandeling syndroom van klinefelter?
A
Levenslange testosteron substitutie