Presentation
Workup for right-sided hydronephrosis that is reported in recent ultrasonography.
Patient Data
Age: 10 years
Gender: Female
From the case:
Retrocaval ureter - type I
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The right kidney shows hydronephrosis, and there is right proximal ureteric dilatation with medial deviation and an abrupt change in mid-ureter caliber (fishhook-shaped or S-shaped deformity) without detectable radio-opaque shadows along the course of the urinary tract.
Case Discussion
Features are compatible with the retrocaval ureter.
Retrocaval ureter, also known as circumcaval ureter, is a rare congenital anomaly in which the right ureter passes behind the inferior vena cava, then emerges between the IVC and aorta and passes anterior to the IVC.
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