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Urinary calculus containing gas.

Ryan F Paterson1, Jeffrey M Welsch, Thomas Koerner

  • 1Department of Urology, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA.

Urology
|July 9, 2002
PubMed
Summary
This summary is machine-generated.

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A rare case of a gas-containing renal calculus was found in a non-diabetic man. This gas calculus, composed of hydroxyapatite, was successfully treated with antibiotics and percutaneous nephrolithotomy.

Area of Science:

  • Nephrology
  • Urology
  • Medical Case Reports

Background:

  • Gas in the upper urinary tract typically indicates serious conditions like emphysematous infections, instrumentation, or fistulas.
  • Primary hyperparathyroidism with hypercalcemia is a known risk factor for renal calculi formation.

Observation:

  • A 46-year-old non-diabetic male presented with an unusual isolated finding of a gas-containing renal calculus.
  • The patient had a history of recurrent urinary tract infections and persistent hypercalcemia due to primary hyperparathyroidism.

Findings:

  • The gas-containing renal calculus was found to be 100% hydroxyapatite.
  • Stone culture results were negative, indicating no active bacterial infection within the stone itself.

Implications:

Related Experiment Videos

  • This case highlights a rare presentation of gas within a renal calculus, distinct from typical causes.
  • Successful treatment involved oral antibiotics and percutaneous nephrolithotomy, achieving stone and infection clearance.
  • Further investigation into the pathogenesis of gas-containing hydroxyapatite calculi in the absence of infection may be warranted.