Introduction Fetal renal pelvis dilatation (or dilation) is a common ultrasound (US) finding, identified in 1% to 5% of pregnancies. There is a strong correlation between the degree of renal pelvis dilatation and the likelihood of postnatal urinary pathology, particularly…
Introduction Unilateral renal agenesis, also called solitary kidney, is a common congenital anomaly. Affected individuals are usually asymptomatic, and if a diagnosis is not made prenatally, they may not receive medical attention until complications arise. If unilateral renal agenesis is…
Introduction Bilateral renal agenesis is a uniformly lethal anomaly. Absence of the kidneys causes anhydramnios, resulting in pulmonary hypoplasia, characteristic facies, and positional extremity abnormalities ( Fig. 10.1 ). This constellation of findings was first described by Edith Potter, and…