Imaging Findings:
Filling of the renal fossa with bowel loops (sharply outlined gas or fecal material in the plane of the renal fossa on nephrotomography). The contralateral kidney usually shows compensatory hypertrophy.NOTES:
Rare anomaly that is associated with a variety of other congenital malformations. It is essential to exclude a nonfunctioning, diseased kidney by ultrasound or CT. After nephrectomy, the renal outline is generally preserved on plain films if the perinephric fat is left in situ.
