Autosomal recessive polycystic kidney disease (antenatal US)

Case contributed by Bruno Di Muzio
Diagnosis almost certain


22-weeks pregnancy.

Patient Data

Age: 22-weeks
Gender: Female

Antenatal US 2ndtrimester


Severe oligohydramnios and an enlarged abdomen circumference caused by enlarged kidneys.  

Both kidneys were partially replaced by numerous irregular cystic structures (1-3mm) with echogenic tissue separating them. 

Case Discussion

This case illustrates cystic kidney disease of childhood, with the main differential diagnosis being autosomal recessive polycystic kidney disease (ARPKD) and, less likely, bilateral multicystic dysplastic kidney (MCDK).

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