New MR techniques show that facet joint effusion (the collection of fluid in the spinal joints) and interspinal ligament edema (swelling of the interspinal ligaments) are major sources of lower back ...
A 62 year-old man complained of pain in the back, buttocks and thighs after walking two blocks. The pain was relieved with sitting, but not standing. Lumbar Spinal Stenosis: T2-weighted MRI of the ...
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