Bone & joints
Other nonneoplastic
Meniscal tears

Topic Completed: 1 January 2013

Minor changes: 23 September 2020

Copyright: 2002-2019,, Inc.

PubMed Search: Meniscal tears [title] joints

Vijay Shankar, M.D.
Page views in 2019: 867
Page views in 2020 to date: 488
Cite this page: Shankar V Meniscal tears. website. Accessed September 30th, 2020.
Definition / general
  • Patients age 40+ years have fewer cells in meniscus and are more prone to degeneration and tears (Am J Sports Med 2007;35:103)
  • Most common site is medial meniscus; tears arise as clefts along circumferential collagen fibers that may extend to medial margin and create a tag
  • Surgery required for young active patients with tears due to athletics and older individuals with tears due to degeneration
Microscopic (histologic) description
  • Fibroblast proliferation, synovial hypertrophy and increased cellularity
  • Neovascularization of peripheral zone
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