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Non-opaque calculus demonstrated by computerized tomography.

A J Alter, D T Peterson, A C Plautz

    The Journal of Urology
    |November 1, 1979
    PubMed
    Summary
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    Computerized tomography identified a struvite calculus in a ureterostomy patient. This kidney stone contained minimal calcium salts, as revealed by imaging.

    Area of Science:

    • Nephrology
    • Urology
    • Radiology

    Background:

    • Ureterostomy is a surgical procedure to create an opening for urine diversion.
    • Urinary tract stones can form in various locations, including the ureter.

    Observation:

    • A non-opaque filling defect was noted within the ureter of a patient who had undergone ureterostomy.
    • Computerized tomography (CT) was utilized for imaging the urinary tract.

    Findings:

    • The filling defect was definitively identified as a struvite calculus (magnesium ammonium phosphate).
    • Analysis indicated the calculus contained a minimal proportion of calcium salts.

    Implications:

    • Accurate diagnosis of urinary calculi composition is crucial for appropriate management.

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  • Understanding stone composition aids in preventing recurrence in ureterostomy patients.