Sagittal US of the right kidney (above left) was normal. Sagittal US of the left kidney (above right) showed new moderate hydronephrosis. Transverse US of the bladder (below left) showed a normal right ureteral jet. Transverse US of the bladder (below right) shows an oval echogenic structure near the left ureterovesical junction at the base of the bladder and a left ureteral jet which is markedly less than its counterpart on the right.
The diagnosis was left acute ureteral obstruction after Deflux injection for left vesicoureteral reflux.
