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Related Experiment Videos

Myelography in lumboperitoneal shunts

A Wand, B Lane

    Neuroradiology
    |January 1, 1982
    PubMed
    Summary

    Lumboperitoneal shunts complicate myelography. Modified techniques, including specific puncture sites and contrast agents like metrizamide, improve diagnostic imaging success in these patients.

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    [Not Available].

    Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie·2015

    Area of Science:

    • Neurosurgery
    • Neuroradiology
    • Medical Imaging

    Background:

    • Lumboperitoneal shunts are increasingly used for cerebrospinal fluid diversion.
    • A significant challenge post-shunt placement is performing diagnostic myelography.
    • Traditional myelographic techniques can be hindered by the shunt apparatus.

    Observation:

    • The presence of a lumboperitoneal shunt can obscure visualization during myelography.
    • Standard lumbar puncture may yield suboptimal results for imaging.
    • Contrast agents like Pantopaque may pose complications if present in the peritoneal cavity.

    Findings:

    • Modified myelographic techniques are necessary for patients with lumboperitoneal shunts.
    • Utilizing a low lumbar puncture for lumbar studies is recommended.
    • Cervical (C1-2) puncture is advised for imaging the cervical and thoracic regions.
    • Metrizamide is a preferred contrast agent, avoiding Pantopaque issues.

    Implications:

    • These modified techniques enhance the diagnostic yield of myelography in patients with shunts.
    • Improved imaging facilitates accurate diagnosis and management of neurological conditions.
    • This approach addresses a critical limitation in neurodiagnostic imaging for a growing patient population.

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