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Related Experiment Videos

Calculocutaneous sinus.

H J Lewi, R Scott

    Urology
    |September 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Urinary calculus extrusion is rare, with only 7 prior cases. This study details 3 new cases presenting with a discharging sinus, perinephric abscess, and staghorn calculus in a nonfunctioning kidney.

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    Area of Science:

    • Nephrology
    • Urology
    • Radiology

    Background:

    • Urinary calculus extrusion is an exceptionally rare event in medical literature.
    • Documented cases of urinary calculus extrusion are limited, with only seven previously reported before this study.

    Observation:

    • This report describes three new cases of urinary calculus extrusion.
    • All patients presented with a persistent discharging calculocutaneous sinus, indicating a sinus tract from the kidney to the skin.
    • Key clinical features included a perinephric abscess, a staghorn calculus (large, branching stone) within a nonfunctioning kidney.

    Findings:

    • A consistent radiologic finding across the three cases was a distinct portion of the calculus separate from the main stone body.
    • The presence of a perinephric abscess suggests a severe infectious or inflammatory process associated with the extruded calculus.

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    Implications:

    • These findings expand the documented cases of urinary calculus extrusion, highlighting a specific clinical presentation.
    • Understanding these features aids in the diagnosis and management of rare urinary stone complications.
    • Further research may elucidate the mechanisms leading to calculus extrusion and associated complications.