CNS tumor
CNS cysts
Synovial cyst of the spine

Topic Completed: 1 February 2012

Revised: 31 December 2018, last major update February 2012

Copyright: (c) 2002-2017,, Inc.

PubMed Search: Synovial cyst of the spine [title]

Eman Abdelzaher, M.D., Ph.D.
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Cite this page: Abdelzaher E. Synovial cyst of the spine. website. Accessed June 1st, 2020.
Definition / general
  • Extradural, commonly lumbar, spinal cysts
  • Associated with degenerative joint disease
Clinical images

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Lumbar synovial cyst

Gross description
  • Fibrous wall, mucoid fluid
Microscopic (histologic) description
  • Lined by fibrous tissue with or without synovial lining
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