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Related Experiment Videos

Method of computed tomography-based stereotactic biopsy with arteriographic control.

P J Kelly, G J Alker, B A Kall

    Neurosurgery
    |February 1, 1984
    PubMed
    Summary

    This study details a computed tomography (CT)-guided stereotactic biopsy technique for brain tumors, utilizing arteriographic control for safe navigation. The method successfully biopsied 86 patients without complications.

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    Area of Science:

    • Neurosurgery
    • Medical Imaging
    • Oncology

    Background:

    • Intracranial neoplasms require accurate biopsy for diagnosis and treatment planning.
    • Stereotactic biopsy offers precise targeting of brain lesions.
    • Integrating imaging modalities enhances procedural safety and accuracy.

    Purpose of the Study:

    • To describe a novel method for computed tomography (CT)-based stereotactic biopsy of intracranial neoplasms.
    • To incorporate arteriographic control for identifying safe, avascular trajectories.
    • To evaluate the safety and efficacy of this combined stereotactic biopsy technique.

    Main Methods:

    • Utilizing stereotactic CT and digitized stereotactic arteriographic data.
    • Inputting data into a 3D computer matrix aligned with the stereotactic frame's coordinate system.

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  • Selecting biopsy sites via cursor on CT display and calculating frame adjustments for precise targeting.
  • Determining horizontal and vertical approach angles from arteriograms to ensure avascular pathways.

    • Main Results:

    • The described CT-based stereotactic biopsy with arteriographic control was successfully applied in 86 patients.
    • The procedure demonstrated zero morbidity or mortality.
    • Accurate targeting and safe avascular trajectory identification were achieved.

    Conclusions:

    • CT-based stereotactic biopsy with arteriographic control is a safe and effective method for intracranial neoplasms.
    • This technique minimizes risks by identifying avascular trajectories.
    • The procedure offers a reliable approach for obtaining tissue samples from deep-seated brain lesions.