Presentation
Right pelvic and flank pain in a patient with urolithiasis after placement of bilateral double J stents to provide urinary flow.
Patient Data
On the left there is a normally positioned double J stent with pigtails in the pelvis and bladder.
On the right side is an abnormally placed double J stent; superior migration of the distal pigtail into the ureter leads to a loss of the pigtail appearance. Twisting of the stent is also noted in the right renal pelvis.
On the left there is a normally positioned double J stent with pigtails in the pelvis and bladder (yellow arrows).
On the right side is an abnormally placed double J stent; superior migration of the distal pigtail into the ureter leads to a loss of the pigtail appearance in the proximal and distal pigtails (black arrows). Twisting of the stent is also noted in the right renal pelvis (orange arrow)
Case Discussion
Migrated double J stents are uncommon, but a potentially concerning finding in a patient presenting with pelvic or flank pain. In this radiographic image, the abnormality is easily discernible since the normally placed double J stent on the left could be compared with the abnormally placed stent on the right.
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