Presentation
Right loin pain and burning micturation.
Patient Data
Age: 30 years
Gender: Female
Intravenous pyelogram
From the case:
Bifid renal pelvis with ureteropelvic junction obstruction

Bifid right renal pelvis. The right pelvicalyceal system appears mildly dilated with an abrupt change in caliber at the ureteropelvic junction, with no gross filling defects seen, nor radio-opaque calculi.