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RADPILES
CASES
QUIZ
QUESTION-1:
2 week follow to bilateral cystic kidneys:
Autosomal recessive polycystic kidneys
Autosomal dominant polycystic kidneys
Oligohydramnios
Correct Answer: Oligohydramnios
First trimester:
[MSD -- CRL] > 5mm (5.5 to 9 wks MA)
Second trimester:
AFI 5 - 20 cm Normal
Sum of deepest amniotic fluid pocket in each quadrant free of fetal parts or umbilical cord
Largest Single Cord Free Pocket:
Less than 2 cm: Oligohydramnios
2 - 8cm Normal
> 8 cm Polyhydramnios
AFI
Differential Diagnosis:
Fetal Demise
Renal abnormality (agenesis, bilateral agenesis, renal dysplasia)
IUGR
Premature Rupture of the Membranes
Post-term Pregnancy
Chromosomal Abnormalities
Pearls:
MCDK: most common cystic dz in infants, 2nd most common abdominal mass in neonate (1st hydro.)
ADPKD: liver cysts, berry aneurysms, bilateral large cystic kidneys.
ARPKD: Antenatal form is most common, 90% tubules‑cystic changes, oligohydramnios, periportal fibrosis, pancreatic fibrosis.
VUR: incompetence of UVJ.
Wilm's: 3rd most common mass.
Dahnert 5th 929
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