Season 8 Case 20
History: flank pain
Any idea why this young lady keep coming back to the ER for the same problem?
Answer: Duplicated renal collecting system with chronic reflux of the lower pole moiety (remember left = cranial)
Reverse of “drooping lily sign"
Good old Weigert-Meyer law:
Upper - obstructs (OU)
Lower - Refluxes (LR)