joint mouse


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mouse

 [mows]
a small rodent, various species of which are used in laboratory experiments.
1. a small loose body.
2. a computer pointing device.
joint mouse a movable fragment of synovial membrane, cartilage, or other body within a joint; usually associated with degenerative osteoarthritis and osteochondritis dissecans.
knockout mouse a mouse that has had a specific gene artificially deleted from its genome.
nude mouse a mouse homozygous for the nu gene; these mice are hairless, lack a thymus, and thus lack T lymphocytes.
peritoneal mouse a free body in the peritoneal cavity, probably a small detached mass or omentum, sometimes visible radiographically.
SCID mouse (severe combined immunodeficiency) a strain of mice lacking in T and B lymphocytes and immunoglobulins, either from inbreeding with an autosomal recessive trait or from genetic engineering, used as a model for studies of the immune system.
A fanciful term for a free body in a synovial space, especially of the knee. Joint mice are composed of fibrous tissue covered by cartilage and measure 0.5–1.5 cm in diameter, classically seen in degenerative joint disease
DiffDx Joint mice are a relatively nonspecific finding; they may also be seen in synovial osteochondromatosis, chondrometaplasia, neuropathic arthropathy, osteoarthritis dissecans, pigmented villonodular synovitis, or gout

joint mouse

Orthopedics A fanciful term for the free bodies in a synovial space, especially of the knee; JM are composed of fibrous tissue covered by cartilage and measure 0.5–1.5 cm in diameter, classically seen in degenerative joint disease DiffDx JMs are a relatively nonspecific finding; they may also be seen in synovial osteochondromatosis, chondrometaplasia, neuropathic arthropathy, osteoarthritis dissecans, pigmented villonodular synovitis, gout.

Patient discussion about joint mouse

Q. What is the treatment for "hip joint mice"? Thanks!

A. if you are young- it goes away by itself after 6-8 painful weeks...if you are older you might need a surgery to remove the particles. it the hip bone it can be complicated, so it's really up to your Dr. to decide what to do here.

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