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Stereotactic neurosurgery and computerized tomographic scanning.

P L Gildenberg

    Applied Neurophysiology
    |January 1, 1983
    PubMed
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    Computerized tomographic (CT) scanning combined with stereotactic surgery enables precise probe placement for lesion targeting. This integration offers versatile techniques for biopsies, cyst aspirations, and other surgical interventions.

    Area of Science:

    • Neurosurgery
    • Medical Imaging
    • Surgical Technology

    Background:

    • Stereotactic surgery traditionally relies on pre-operative imaging.
    • Integrating stereotactic techniques with intra-operative imaging like CT scanning presents new possibilities.
    • Accurate targeting of intracranial lesions is crucial for effective treatment.

    Purpose of the Study:

    • To review and describe various techniques integrating computerized tomographic (CT) scanning with stereotactic surgery.
    • To highlight the technical advancements enabling precise probe insertion into CT-identified lesions.
    • To explore the applications of CT-guided stereotactic surgery.

    Main Methods:

    • Adapting stereotactic apparatus head holders to CT scanners for coordinate interdigitation.

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  • Utilizing CT scanners with vertical coordinate visualization capabilities.
  • Incorporating stereotactic microdrives within CT scanners.
  • Employing simple aiming devices with repeated CT scans for probe advancement.

    • Main Results:

    • CT-guided stereotactic surgery allows for accurate targeting of lesions identified on CT scans.
    • Multiple techniques exist, including head holder adaptation, enhanced CT visualization, microdrive integration, and aiming devices.
    • Successful applications include biopsies, cyst and hematoma aspirations, radioisotope insertion, and adjuncts to open surgery.

    Conclusions:

    • The combination of CT scanning and stereotactic surgery significantly enhances the precision and feasibility of minimally invasive procedures.
    • CT-guided stereotactic techniques offer a versatile platform for a range of neurosurgical interventions.
    • This integration represents a significant advancement in neurosurgical capabilities.