What is the role of neuroimaging in the workup of Lennox-Gastaut syndrome (LGS)?

Updated: Nov 09, 2018
  • Author: Koshi A Cherian, MD; Chief Editor: Amy Kao, MD  more...
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Answer

Neuroimaging is an important part of the search for an underlying etiology. Modalities include the following:

  • Magnetic resonance imaging (MRI) – Generally preferred, may require sedation

  • Computed tomography (CT) – Preferred in selected situations, e.g., to assess for acute processes such as hemorrhage or if timely MRI is not available

  • Routine positron emission tomography (PET) and single-photon emission CT (SPECT) – Lacking current indications for LGS but may be useful in potential candidates for epilepsy surgery

See Workup for more detail.


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