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Related Experiment Videos

Bladder calculi complicating intermittent clean catheterization.

M A Amendola, L P Sonda, A C Diokno

    AJR. American Journal of Roentgenology
    |October 1, 1983
    PubMed
    Summary

    Pubic hairs inadvertently introduced during clean intermittent catheterization can form bladder stones in patients with neurogenic bladder dysfunction. Radiographic serpentine calcifications may indicate this unusual cause of vesical calculi.

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    Area of Science:

    • Urology
    • Nephrology
    • Radiology

    Background:

    • Neurogenic bladder dysfunction often requires clean intermittent catheterization (CIC).
    • Inadvertent introduction of foreign material into the bladder during CIC is a potential complication.
    • Vesical calculi (bladder stones) can form around foreign bodies, acting as a nidus.

    Observation:

    • Eight male patients undergoing CIC for neurogenic bladder dysfunction developed vesical calculi.
    • Pubic hairs were identified as the nidus for stone formation in these patients.
    • A distinctive radiographic appearance of serpentine calcifications was noted in three patients.

    Findings:

    • The vesical calculi formed around pubic hairs, leading to incrustation.
    • Radiographs showed calcifications consistent with deposits on hair strands, resembling serpentine structures.

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  • This presentation is atypical compared to common bladder stones.

    • Implications:

    • Awareness of this specific radiologic appearance can aid in diagnosing hair-induced bladder stones.
    • Recognizing this atypical calcification pattern may prevent misdiagnosis.
    • This highlights the importance of meticulous catheterization techniques to prevent foreign body introduction.