Soft tissue

Uncertain differentiation

Juxta-articular myxoma

Last author update: 1 May 2013
Last staff update: 7 December 2020

Copyright: 2002-2023,, Inc.

PubMed Search: Juxta-articular myxoma

Vijay Shankar, M.D.
Page views in 2022: 1,816
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Cite this page: Shankar V. Juxta-articular myxoma. website. Accessed June 4th, 2023.
Definition / general
  • Median age 43 years, range 16 - 83 years
  • 72% male
  • Knee (88%), also shoulder, elbow, ankle, hip
Case reports
Clinical images

Images hosted on other servers:

Arthroscopic image
of lesion within
suprapatellar pouch

Gross description
  • Myxoid, mucoid or slimy mass with pale white to yellow color
Gross images

Images hosted on other servers:

Glassy appearance

Microscopic (histologic) description
  • Loosely arranged spindle cells in hypovascular myxoid matrix; variable cystic spaces can be seen
Microscopic (histologic) images

Images hosted on other servers:

Myxoid stroma and spindle cells

Bland myxoid
neoplasm without
mesenchymal atypia
or hypercellularity

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