Q. Which of these structure is indicated by arrow in MRI section of spine?
a. Pedicle
b. Superior articular facet
c. Pars interarticularis
d. Facet joint
Answer-
d
The bilateral structure with white inner filling suggestive of fluid in this view likely corresponds to facet joint with synovial fluid.
Like other joints, these also get involved in arthritis leading to decreased space and irregularities. These are thus source of pain in those cases.
Superior and inferior articular facets make these joints.
Pars interarticularis is present between both articular facets and is often defective in cases of spondylolisthesis.
a. Pedicle
b. Superior articular facet
c. Pars interarticularis
d. Facet joint
Answer-
d
The bilateral structure with white inner filling suggestive of fluid in this view likely corresponds to facet joint with synovial fluid.
Like other joints, these also get involved in arthritis leading to decreased space and irregularities. These are thus source of pain in those cases.
Superior and inferior articular facets make these joints.
Pars interarticularis is present between both articular facets and is often defective in cases of spondylolisthesis.
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