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Each ligamentum flavum connects the laminae of two adjacent vertebrae. [2] [3] They attach to the anterior portion of the upper lamina above, and the posterior portion of the lower lamina below. [1] They begin with the junction of the axis and third cervical vertebra, continuing down to the junction of the 5th lumbar vertebra and the sacrum. [2 ...
Other than static imaging processes, a CT scan can also be used for observing changes in spinal canal features before and after a laminotomy. One of the main signs of lumbar spinal stenosis is the thickening of the ligamentum flavum, causing it to expand towards the spinal canal. [2]
The ligamentum flavum (yellow ligament), an important structural component intimately adjacent to the posterior portion of the dural sac (nerve sac) can become thickened and cause stenosis. The articular facets, also in the posterior portion of the bony spine can become thickened and enlarged, causing stenosis.
Lesions to the supraspinous ligament may result in palpable thickening. [5] Ultrasound is effective for detecting lesions. [5] [6] A strain injury can also damage the supraspinous ligament. [7] The supraspinous ligament creates resistance during midline epidural anaesthetics when the needle is being inserted.
The MILD procedure aims to relieve spinal cord compression by percutaneous removal of portions of the ligamentum flavum and lamina. [10] Laminectomy also involves partial or complete removal and sacrifice of the lamina, but in addition, facets in one or more segments of the spinal cord are usually sacrificed as well.
The trial aims to compare the efficacy of TOPS versus TLIF in stabilizing one lumbar level (L2-L5) after decompression in patients with moderate lumbar spinal stenosis and Grade 1 spondylolisthesis, including conditions like thickened ligamentum flavum or scarred facet joints. [27]
ALS, also known as Lou Gehrig's Disease, targets motor neurons in the brain and spinal cord, resulting in the deterioration of motor function. Most people with ALS will eventually develop partial ...
Spinal stenosis can occur in cases of severe spondylosis, spondylotheisis and age-associated thickening of the ligamentum flavum. Spinal stenosis involves narrowing of the spinal canal and typically presents in patients greater than 60 years of age.