American Journal of Neuroradiology 24:1711-1714, September 2003
© 2003 American Society of Neuroradiology
Technical Note
SPINE
Dynamic CT Myelography: A Technique for Localizing High-Flow Spinal Cerebrospinal Fluid Leaks
a Department of Radiology, Mayo Clinic, Rochester, Minnesota
b Department of Neurology, Mayo Clinic, Rochester, Minnesota
Address correspondence to Patrick H. Leutmer, MD, Department of Radiology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905
Summary: In some patients with spontaneous spinal CSF leaks, leaks are numerous or tears are so large that extrathecal myelographic contrast material is seen at multiple levels during CT, making identification of their source impossible. This study introduces a dynamic CT myelographic technique that provides high temporal and spatial resolution. In this technical note, we describe the utility of this technique in four patients with challenging high-flow spinal CSF leaks.