An inferior alveolar intraneural cyst: A case example and an anatomical explanation to support the articular theory within cranial nerves

Stepan Capek, Ioannis G. Koutlas, Rhys P. Strasia, Kimberly K. Amrami, Robert J. Spinner

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The authors describe the case of an intraneural ganglion cyst involving a cranial nerve (V3), which was found to have a joint connection in support of an articular origin within the cranial nerves. An inferior alveolar intraneural cyst was incidentally discovered on a plain radiograph prior to edentulation. It was resected from within the mandibular canal with no joint connection perceived at surgery. Histologically, the cyst was confirmed to be an intraneural ganglion cyst. Reinterpretation of the preoperative CT scan showed the cyst arising from the temporomandibular joint. This case is consistent with the articular (synovial) theory of intraneural ganglion cysts. An anatomical explanation and potential joint connection are provided for this case as well as several other cases of intraneural cysts in the literature, and thus unifying cranial nerve involvement with accepted concepts of intraneural ganglion cyst formation and propagation.

Original languageEnglish (US)
Pages (from-to)1433-1437
Number of pages5
JournalJournal of neurosurgery
Volume122
Issue number6
DOIs
StatePublished - Jun 2015

Keywords

  • Cranial nerve
  • Facial
  • Hypoglossal
  • Intraneural cyst
  • Intraneural ganglion
  • Peripheral nerve
  • Trigeminal

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