Intraneural perineurioma of the radial nerve visualized by 3.0 tesla MRI

Doris Nguyen, P. James Dyck, Jasper R. Daube

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


A progressive radial neuropathy of unknown etiology despite 1.5T magnetic resonance imaging (MRI) and surgical exploration was identified as an intraneural perineurioma by a localized Tinel's sign, an enlarged radial nerve at the spiral groove by 3.0T MRI, and a fascicular biopsy. The distinction between the initial diagnoses of inflammatory, demyelinating polyneuropathy and perineurioma was made by immunohistochemistry and electron microscopy. A slowly progressing, localized mononeuropathy should include perineurioma in the differential diagnosis.

Original languageEnglish (US)
Pages (from-to)715-720
Number of pages6
JournalMuscle and Nerve
Issue number5
StatePublished - Nov 2007


  • 3.0T MRI
  • Chronic inflammatory demyelinating polyneuropathy
  • Perineurioma
  • Radial neuropathy
  • Tinel's sign

ASJC Scopus subject areas

  • Physiology
  • Clinical Neurology
  • Cellular and Molecular Neuroscience
  • Physiology (medical)


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