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Related Experiment Videos

Syringomyelia associated with adhesive spinal arachnoiditis: MRI.

Y Inoue1, Y Nemoto, K Ohata

  • 1Department of Radiology, Osaka City University Medical School, 1-4-3, Asahi-machi, Abeno-Ku, Osaka 545-8585, Japan.

Neuroradiology
|May 8, 2001
PubMed
Summary

Magnetic Resonance Imaging (MRI) reveals key findings in patients with syringomyelia and adhesive spinal arachnoiditis. Axial images are crucial for identifying cord deformity and syrinx wall changes in this condition.

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Area of Science:

  • Neurology
  • Radiology
  • Neurosurgery

Background:

  • Syringomyelia is a condition characterized by cyst formation within the spinal cord.
  • Adhesive spinal arachnoiditis is a severe inflammatory condition affecting the arachnoid mater, potentially leading to adhesions and cord compromise.
  • The interplay between syringomyelia and spinal arachnoiditis requires detailed imaging for accurate diagnosis and management.

Purpose of the Study:

  • To elucidate the characteristic clinical and Magnetic Resonance Imaging (MRI) findings in patients presenting with syringomyelia associated with surgically confirmed adhesive spinal arachnoiditis.
  • To correlate MRI features with the underlying pathology of adhesive spinal arachnoiditis in the context of syringomyelia.

Main Methods:

  • Retrospective review of MRI scans from seven patients diagnosed with syringomyelia and adhesive spinal arachnoiditis.

Related Experiment Videos

  • Standard MRI sequences including sagittal and axial T1- and T2-weighted spin-echo images were utilized.
  • Acquisition of additional sagittal T2-weighted images without motion-artefact suppression and intravenous contrast administration in select cases.

    • Main Results:

    • Syrinx cavities were predominantly thoracic (n=5), with locations varying across patients.
    • All patients exhibited cord deformity due to adhesions or displacement from arachnoid cysts, best visualized on axial MRI.
    • Focal blurring of the syrinx wall (n=6) and flow voids within the syrinx fluid on non-motion-suppressed T2-weighted images were consistently observed.

    Conclusions:

    • MRI, particularly axial imaging, is vital for detecting spinal cord deformities and associated arachnoid cysts in patients with syringomyelia and adhesive spinal arachnoiditis.
    • Specific MRI findings like flow voids and syrinx wall blurring aid in the diagnosis and understanding of this complex condition.