Kidneyembryology
Pronephros Wk4 degenerates
Mesonephros interim ki 1sttrimester
later malegenitalia
Metanephros permanent
S wk then 32 36ofgestation
utericbud deriv fromcaudalend
of mesonephricduct
ureterpelvicescalycescollducts
fully canalyzedby10thwk
metanephric mesenchyme utericbud
interacts glomdiff thruDCT
uteropelvicjunction lasttocanalize
congenitalobstruction
mostcommon causeof
prenatal hydronephrosis
POTTER
syndrome
oligohydramnios fetalcompression limbdeformities facialanomalies
causes ARPKD obstruropathy chestcompression t t amnioticfluid
renalagenesis placentalinsuff palmhypoplasia fatal
babieswhocan't Pee in uterodevelo POITER
Palm hypoplasia
Oligohydramnios
Twistedface
Twistedskin
Extremitydeficits
Renalfailure
Horseshoe kidney
inf poles of bothkidneysfailtofuse
failtoelevatebutfunctionnormally
assoc w hydronephrosis stones infan T CA risk
T risk in chromosomalaneuploidy
Pronephros Wk4 degenerates
Mesonephros interim ki 1sttrimester
later malegenitalia
Metanephros permanent
S wk then 32 36ofgestation
utericbud deriv fromcaudalend
of mesonephricduct
ureterpelvicescalycescollducts
fully canalyzedby10thwk
metanephric mesenchyme utericbud
interacts glomdiff thruDCT
uteropelvicjunction lasttocanalize
congenitalobstruction
mostcommon causeof
prenatal hydronephrosis
POTTER
syndrome
oligohydramnios fetalcompression limbdeformities facialanomalies
causes ARPKD obstruropathy chestcompression t t amnioticfluid
renalagenesis placentalinsuff palmhypoplasia fatal
babieswhocan't Pee in uterodevelo POITER
Palm hypoplasia
Oligohydramnios
Twistedface
Twistedskin
Extremitydeficits
Renalfailure
Horseshoe kidney
inf poles of bothkidneysfailtofuse
failtoelevatebutfunctionnormally
assoc w hydronephrosis stones infan T CA risk
T risk in chromosomalaneuploidy