Fascicular sign

Fascicular sign is a finding on T2-weighted MRI images that suggests a lesion of neurogenic origin. It is characterized by multiple small ring-like structures with peripheral hyperintensity representing the fascicular bundles within the nerves.

It is found in various neurogenic tumors, including:

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Article information

rID: 19091
Section: Signs
Synonyms or Alternate Spellings:
  • Fascicle sign

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Cases and figures

  • Case 1: fascicular sign in PNST
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  • Case 2: peripheral nerve sheath tumor
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