Presentation
Left flank pain.
Patient Data
Age: 40 years
Gender: Male
From the case:
Drooping lily sign in duplex collecting system




Download
Info

Left sided duplicated collecting system with the upper moiety obstruction, and non-functioning. It displaces the lower pole moiety inferiorly, mimicking the appearance of a drooping lily.
Case Discussion
The drooping lily sign refers to the inferolateral displacement of the opacified lower pole moiety due to an obstructed (and unopacified) upper pole moiety in duplicated collecting system.