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[Gas in a pyelic calculus (author's transl)]

J Frija, R Tuil, M Katz

    Journal De Radiologie
    |March 1, 1982
    PubMed
    Summary

    A rare gas-containing kidney stone was observed. Researchers hypothesize that gas formation, similar to gallstones, may indicate a stone is fissuring and could potentially disappear on its own.

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    Area of Science:

    • Nephrology
    • Radiology
    • Urology

    Background:

    • Kidney stones (calculi) are common urinary tract stones.
    • Gas within a kidney stone is an exceptionally rare finding.
    • Computed tomography (CT) is a key imaging modality for stone detection.

    Observation:

    • A case of a gas-containing pyelic calculus was documented.
    • The calculus was radiolucent, meaning it was not easily visible on standard X-rays.
    • The gas within the stone was spontaneously visible on computed tomography (CT) scans.

    Findings:

    • The presence of gas in the kidney stone is attributed to fissuration of a crystalline calculus.
    • This fissuration process is hypothesized to be similar to gas formation observed in gallstones.
    • The study proposes that gas formation may precede spontaneous calculus dissolution.

    Implications:

    • This case expands the understanding of urinary calculus composition and behavior.
    • The findings suggest a potential new pathway for spontaneous kidney stone resolution.
    • Further research into gas formation in calculi could lead to novel diagnostic or therapeutic strategies.

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