J Korean Bone Joint Tumor Soc.  2013 Dec;19(2):83-86. 10.5292/jkbjts.2013.19.2.83.

Intraneural Ganglion Cyst of the Peripheral Nerve: Two Cases Report

  • 1Department of Orthopedic Surgery, Hanyang University College of Medicine, Seoul, Korea. sung1383@hanmail.net
  • 2Department of Pathology, Hanyang University College of Medicine, Seoul, Korea.


Ganglion cysts that occurred within sheaths of peripheral nerves have been documented in literatures, but it is relatively rare condition. The peroneal nerve is the most common site of involvement. Other reported sites of involvement are the radial, ulnar, median, sciatic, tibial and posterior interosseous nerves. We report a case of the intraneual ganglion cyst within peroneal nerve and another case of the intraneural ganglion cyst within a medial plantar nerve that were successfully excised without neurologic complication.


peroneal nerve; medial plantar nerve; intranerual ganglion

MeSH Terms

Ganglion Cysts*
Peripheral Nerves*
Peroneal Nerve
Tibial Nerve


  • Figure 1. Sagittal T1 weighted (A), Sagittal T2 weighted (B) MR images show intraneural ganglion within medial plantar nerve (arrow).

  • Figure 2. Light micrographs shows a fibrous connective tissue that is a portion of cyst wall (arrow). The cystic wall is not lined by synovial cells (H & E stain, ×100).

  • Figure 3. T1 weighted axial (A), T2 weighted axial (B), T2 weighted sagittal (C) images show cystic lesion (arrow) along with the course of the common peroneal nerve.

  • Figure 4. The common peroneal nerve (arrow) was compressed by an intraneural ganglion at the level of fibular head. Jelly like fluid was drained when incision was made at the cystic mass.



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