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Related Experiment Videos

Chordomas: MR imaging.

G Sze1, L S Uichanco, M N Brant-Zawadzki

  • 1Department of Radiology, University of California School of Medicine, San Francisco.

Radiology
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

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Magnetic resonance (MR) imaging and computed tomography (CT) equally detect chordomas. MR imaging significantly improves tumor extent delineation and provides prognostic histologic specificity, aiding treatment planning.

Area of Science:

  • Neurosurgery
  • Radiology
  • Oncology

Background:

  • Chordomas are rare bone tumors arising from notochordal remnants.
  • Intracranial and upper cervical chordomas present diagnostic challenges.
  • Accurate tumor assessment is crucial for effective treatment planning.

Purpose of the Study:

  • To compare the efficacy of magnetic resonance (MR) imaging and computed tomography (CT) in evaluating intracranial and upper cervical chordomas.
  • To assess the performance of MR imaging and CT in tumor detection, extent delineation, and characterization.

Main Methods:

  • Retrospective study of twenty histologically verified intracranial and upper cervical chordomas.
  • Comparative analysis of MR imaging and CT findings.
  • Evaluation based on tumor detection, extent delineation, and characterization.

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Main Results:

  • MR imaging and CT demonstrated equivalent performance in chordoma detection.
  • MR imaging significantly outperformed CT in delineating the full tumor extent.
  • MR imaging offered superior histologic specificity, aiding in prognosis.

Conclusions:

  • Both MR imaging and CT are valuable for detecting chordomas.
  • MR imaging is the preferred modality for assessing the full extent of chordomas, crucial for treatment planning.
  • MR imaging provides valuable prognostic information through histologic characterization.