Reviewer: Vijay Shankar, M.D. (see Reviewers page)
Revised: 14 April 2013, last major update January 2013
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
- 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
Gross / clinical images
External aspect of cyst
End of Joints > Non-neoplastic disease > Cystic meniscus
- Cyst lined by synovial epithelium with nonspecific inflammation and focal hemorrhage
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