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1122017
1
Oestrogenen,androgenenenhetbot:
focusoptransgenders
MartindenHeijer
IWO,15112017
Anatomylibrary.us
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Ageand sex
Menand women,
so different,so similar
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Hormones
Autosomes
Sexchromosomes
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Testosteronenoestradiol
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PediatricsinReview2007
Estrogens and bone
Trends Endocrinol Metab , 23(11),Sundeep Khosla, et al., Estrogen and the skeleton, 576-581, 2012
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Study design
 Gosereline3,6mgsc elke4weken(Zoladex)
 Testosterongel1%(01,252,5510g)
(Androgel)
 RandomisatieAnastrozole 1mgdaily
(Arimidex)vs Placebo
 Dexa,CTenbotmarkers
16weken
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Finkelstein,JCI,2016
Placebo
Anastrozole
Effectopbotdichtheid
Placebo
Anastrozole
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Botmarkers
Placebo
Anastrozole
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Conclusie
 Grenswaardehypogonadismeverschillendper
symptoom
 Remmingbotafbraakeffectvanoestrogeen
 Ditwordtbijrelatieflagedosering/spiegels
bereikt
Genderdysforie
16
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Beeldvorming
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'Hetwordttijdtransseksuelente
behandelenalsgewonepati谷nten'
 'Hoera,hetiseenmeisje!"schreefCisca(58)halfaugustusophaarFacebookpagina,eenpaaruur
nahaargeslachtsaanpassendeoperatieinhetAmsterdamseVUmc.Meteenfotovanzichzelfinhet
ziekenhuisbed,zichtbaaraangedaannadezwarefysiekeingreep,maarmeteenbredelach.Cisca's
overgangstrajectvanmannaarvrouwwaslangdurigeningrijpend.Indecember2008kloptezijaan
bijhetgenderteamvanhetVUmc,nadecennialangworstelenmethaaridentiteit.Bron:Trouw,28
92012
18
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G
e
n
d
e
r
i
d
e
n
t
i
t
y
G
e
n
e
t
i
c
P
r
e
n
a
t
a
l
h
o
r
m
o
n
e
s
S
o
c
i
e
t
y
P
e
e
r
s
P
a
r
e
n
t
s
P
s
y
c
h
o
l
o
g
i
c
a
l
Causes
Organizationalactivational hypothesis
20
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21
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Genderteams(VUMC,UMCG)
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24
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Diagnostic phase
Hormonal phase
Surgery
Transitietraject
Referencevalues
26
Male Female
Testosterone 825 <2.5 umol/l
Estrogen <130 130500 pmol/l
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Hormonalebehandeling
 Mannaarvrouw
 Antiandrogenen
 Oestradiol
 Vrouwnaarman
 Testosteron
 (Progestageen)
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Dosage forms Testosterone
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Dosage forms Estrogen
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Masculinizing effects (F>M)
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Feminizing effects (M>F)
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Treatmentprotocol
Maletofemale(MtF)
Cyproterone acetate(50100mg/day) Antiandrogen
Estradiol
 Oralestradiol valerate (24mg/day)
 Estradiol patch(100袖g twiceaweek) Age>40,thrombosis,
(cardio)vascular disease
Femaletomale(FtM)
Testosteronegel(50mg/day) Psychologicalreasons
Testosteroneestersi.m.(250mg/2
weeks)
Testosteroneundecanoate i.m.(1000
mg/12weeks)
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Characteristics
MtF (n=144) FtM (n=162)
Age, yr (median, range) 28 (19-69) 24 (18-63)
Ethnicity (% Caucasian) 96 93
Body mass index (kg/m2) 23 (17  40) 24 (16  42)
Smoking (% yes) 25 30
Alcohol >7 units/week (%) 9 6
Vitamin D use (% yes) 44 23
Follow-up: 12 months (range 10-14 months)
ChangeinBMD
Wiepjesetal,JBMR,2017
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Adolescents  puberty suppresion
 GnRH analogues
(GonadotropineReleasing
Hormone)
 Better results (passability)
 Better psychological
development
Lumbar Spine (adolescents)
Vlotetal,Bone,2017
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Hip(adolescents)
Vlotetal,Bone,2017
Acknowledgements
VUmedical center,theNetherlands
Dept.ofInternalMedicine
 ChantalWiepjes
 MariskaVlot
 RenateT.deJongh,MDPhD
 PaulLips,MDPhD
Dept.ofClinical Chemistry
 Annemieke C.Heijboer,PhD
Ghent UniversityHospital,Belgium
 GuyTSjoen,MDPhD
UniversityofFlorence,Italy
 Alessandra Fisher,MDPhD
OsloUniversityHospital,Norway
 ThomasSchreiner,MD
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Bedankt!
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