Anatomical types of congenital anomalies
Keyword(s):
Antenatal hydronephrosis is the most common abnormality detected during antenatal ultrasound screening (1 in 100–500 pregnancies). Depending on the degree of dilatation, postnatal evaluation with ultrasound and/or renography is indicated to detect urinary tract obstruction. Obstruction can be found at various levels of the urinary tract such as the pyeloureteric junction, vesicoureteric junction (resulting in a megaureter), and lower urinary tract (most commonly posterior urethral valves). The decision to surgically correct obstruction can be challenging to make, and additional markers (both radiological as urinary) are needed but are not yet available in daily practice.
2015 ◽
2009 ◽
Vol 116
(10)
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pp. 1290-1299
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