Exam: Congenital Anomalies of Kidney and Urinary Tract CAKUT Renal Agenesis Renal Dysplasia ARPKD Horseshoe Kidney Obstructive Uropathy Cloacal Exstrophy
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A neonate has massively enlarged echogenic kidneys bilaterally on ultrasound with poor corticomedullary differentiation. Later the child develops hepatosplenomegaly and portal hypertension. Which genetic mutation is responsible for this disorder?
A
PKD1 gene mutation
B
PKD2 gene mutation
C
PKHD1 gene mutation
D
WT1 gene mutation

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