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Intraoperative imaging using a mobile computed tomography scanner.

H Gumprecht1, C B Lumenta

  • 1Department of Neurosurgery, Academic Hospital München-Bogenhausen, Technical University of Munich, Englschalkingerstrasse 77, 81925 Munich, Germany. h.gumprecht@kh-bogenhausen.de

Minimally Invasive Neurosurgery : MIN
|February 18, 2004
PubMed
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Intraoperative CT scans effectively detect residual glioma tumors, aiding further resection. However, most neurosurgical procedures can be successfully completed with advanced neuronavigation planning alone.

Area of Science:

  • Neurosurgery
  • Radiology
  • Oncology

Background:

  • Radical tumor removal in glioma patients is crucial for improved survival.
  • Intraoperative imaging modalities like MRI, CT, and US are evaluated for clinical neurosurgical use.
  • A mobile CT scanner has been utilized for intraoperative applications since 1999.

Purpose of the Study:

  • To assess the utility and effectiveness of a mobile CT scanner for intraoperative imaging in glioma surgery.
  • To compare the findings of intraoperative CT scans with postoperative MRI.
  • To evaluate the outcomes of glioma surgeries performed with and without intraoperative imaging.

Main Methods:

  • 470 CT scans were performed using a mobile CT scanner for various applications including neuronavigation, intraoperative, and postoperative imaging.

Related Experiment Videos

  • Intraoperative CT results were compared with postoperative MRI findings.
  • 87 glioma patients who underwent surgery without intraoperative imaging were evaluated.

    • Main Results:

    • Intraoperative CT detected residual tumor in 27 out of 43 glioma patients, leading to further resection in 13 cases.
    • Comparison with postoperative MRI revealed discrepancies in 6 cases, suggesting potential for more complete resection in 3 cases (6.8%).
    • Glioma surgeries without intraoperative CT showed similar rates of potentially more complete resection (6.9%) based on postoperative MRI.

    Conclusions:

    • Intraoperative mobile CT scanning is a valuable tool for detecting residual glioma tumors.
    • The mobile CT scanner can be seamlessly integrated into the surgical workflow.
    • While beneficial in select cases, neuronavigation planning often suffices for successful glioma resection.