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Related Experiment Videos

Submucosal ureteral calculi: a new entity?

M J Young1, M A Rubenstein, D M Norris

  • 1Department of Urology, Loyola University Medical Center, Maywood, Illinois.

The Journal of Urology
|April 1, 1990
PubMed
Summary
This summary is machine-generated.

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Submucosal ureteral stones present a diagnostic challenge, resisting standard treatments like extracorporeal shock wave lithotripsy and ureteroscopy. Long-standing impaction may predispose to this rare condition.

Area of Science:

  • Urology
  • Nephrology
  • Endourology

Background:

  • Ureteral calculi (stones) pose a significant clinical challenge, often requiring multiple treatment interventions.
  • Extracorporeal shock wave lithotripsy (ESWL) and ureteroscopy are common modalities for treating ureteral stones.
  • Diagnostic difficulties can arise when stones are not readily visualized despite radiological evidence.

Observation:

  • This report details three patients with ureteral calculi who experienced treatment failures with ESWL.
  • These patients' stones were not visualized during ureteroscopy, despite confirmation via imaging.
  • A common symptom was intermittent flank pain lasting five years, suggesting long-standing stone impaction.

Findings:

  • The study proposes that these refractory ureteral stones migrated into the submucosal layer of the ureter.

Related Experiment Videos

  • Submucosal ureteral stones appear resistant to conventional treatments like ESWL and ureteroscopy.
  • Long-term stone impaction is hypothesized as a prerequisite for submucosal migration.

    • Implications:

    • This finding highlights a rare but important cause of treatment-resistant ureteral calculi.
    • Enhanced diagnostic strategies may be needed to identify submucosal ureteral stones.
    • Understanding submucosal migration could lead to the development of novel therapeutic approaches for these challenging cases.