The mechanism underlying combined medial and lateral plantar and tibial intraneural ganglia in the tarsal tunnel

Albert M. Isaacs, Rajiv Midha, Nicholas M. Desy, Kimberly K. Amrami, Robert J. Spinner

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Intraneural ganglion cysts in the tarsal tunnel are rare. We present a patient who had an intraneural ganglion cyst involving the medial and lateral plantar and distal tibial nerves. Magnetic resonance imaging revealed evidence to support the joint-related (i.e., subtalar) origin of the cyst. Careful reinterpretation of the imaging supported a phasic mechanism (i.e., cross-over) to explain the interrelated pathogenesis of the intraneural cyst within the three nerves. This mechanism is analogous to that described for the prototypes—the peroneal, tibial and sciatic nerves in the knee region—and can be generalized to other nerves in the foot and ankle region. We believe that understanding the pathogenesis sheds light on the effective treatment.

Original languageEnglish (US)
Pages (from-to)2225-2229
Number of pages5
JournalActa Neurochirurgica
Volume158
Issue number11
DOIs
StatePublished - Nov 1 2016

Keywords

  • Articular theory
  • Cross-over
  • Intraneural ganglion cyst

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology

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