Synovial cyst
A synovial cyst is a fluid-filled sac having a synovial lining membrane in the spine.
see Juxtafacet cyst.
Synovial Cyst of the spine
Synovial cysts in the spine occur predominantly in the lumbar as compared to thoracic and cervical areas 1).
Differential diagnosis
The distinction between the two may be difficult 2) possibly owing in part the fact that fibroblasts in ganglion cysts may form an incomplete synovial-like lining 3).
1)
, 2)
Freidberg SR, Fellows T, Thomas CB, Mancall AC. Experience with symptomatic
spinal epidural cysts. Neurosurgery. 1994 Jun;34(6):989-93; discussion 993.
PubMed PMID: 8084409.
3)
Soren A. Pathogenesis and treatment of ganglion. Clin Orthop Relat Res. 1966
Sep-Oct;48:173-9. PubMed PMID: 5957467.