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Delayed-onset Ureteral Obstruction and Calcification Masquerading as Renal Colic Following Deflux Injection

Julie Romain1, Laurent Fourcade2, Joachim Centi1

  • 1Service D'Urologie, Hôpital Universitaire, Limoges, France.

Urology
|March 13, 2016
PubMed

Insights

Vesicoureteral reflux treatment in children using endoscopy can rarely cause delayed ureteral obstruction. This case highlights an unusual late presentation of pyelonephritis with obstruction and calcification years after the procedure.

Area of Science:

  • Pediatric Urology
  • Minimally Invasive Surgery
  • Endourology

Background:

  • Vesicoureteral reflux (VUR) is a common pediatric urologic condition.
  • Endoscopic injection of filler materials has become a primary VUR treatment.
  • Complications like ureteral obstruction are rare but documented.

Observation:

  • A rare case of delayed ureteral obstruction presented over 5 years post-endoscopic VUR treatment.
  • The patient, an 8-year-old girl, experienced febrile renal colic and renal distension.
  • This atypical presentation combined pyelonephritis with ureteral obstruction and calcification.

Findings:

  • This is the first reported case of late-onset pyelonephritis and ureteral obstruction following endoscopic VUR treatment.
  • The findings suggest the possibility of delayed complications years after the initial procedure.
  • The combination of pyelonephritis, obstruction, and calcification is highly unusual.

Implications:

  • Highlights the importance of long-term surveillance for patients undergoing endoscopic VUR treatment.
  • Suggests a need for further investigation into the mechanisms of delayed ureteral obstruction.
  • Informs clinical practice regarding the rare but serious potential complications of minimally invasive VUR therapies.

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