Bone & joints

Other nonneoplastic

Cystic meniscus

Topic Completed: 1 January 2013

Minor changes: 30 July 2020

Copyright: 2002-2019,, Inc.

PubMed Search: Cystic meniscus

Vijay Shankar, M.D.
Page views in 2020: 1,204
Page views in 2021 to date: 1,294
Cite this page: Shankar V. Cystic meniscus. website. Accessed October 25th, 2021.
Definition / general
  • Lesion similar to ganglion but in menisci of knee
  • Either at lateral or medial joint margin (AJR Am J Roentgenol 2001;177:409)
  • Either confined to meniscus or extends beyond capsule
  • Almost always associated with meniscal tears; may be due to trauma
  • Cyst caused by simple extrusion of synovial fluid through meniscal tear
  • Usually pain and swelling
Case reports
Clinical images

Images hosted on other servers:

Arthroscopic finding

External aspect of cyst

Cyst resection

Microscopic (histologic) description
  • Cyst lined by synovial epithelium with nonspecific inflammation and focal hemorrhage
Back to top
Image 01 Image 02