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Triamterene stones and computerized axial tomography
Urology
|February 1, 1986
Summary
Triamterene calculus, a rare cause of kidney stones, can form in patients taking triamterene for hypertension. Computerized axial tomography aided in diagnosing this symptomatic calculus in a treated patient.
Area of Science:
- Nephrology
- Radiology
- Pharmacology
Background:
- Triamterene is a potassium-sparing diuretic used to treat hypertension.
- Radiolucent filling defects in the pyelocalyceal system can have various causes.
- Triamterene calculus is a recently recognized entity in this differential diagnosis.
Observation:
- A patient undergoing triamterene therapy for hypertension developed a symptomatic calculus.
- The calculus presented as a radiolucent filling defect within the pyelocalyceal system.
Findings:
- The symptomatic calculus was identified as a triamterene calculus.
- Computerized axial tomography (CAT) was instrumental in the diagnosis of the triamterene calculus.
Implications:
- This case highlights the importance of considering triamterene calculus in patients on this medication presenting with urinary tract filling defects.
- Accurate diagnosis using advanced imaging like CAT is crucial for appropriate management.
- Understanding drug-induced calculus formation is vital for patient safety and effective hypertension management.