![]() ![]() Treatment for symptomatic lumbar stenosis is usually surgical decompression. Imaging of the lumbar spine performed with computed tomography or magnetic resonance imaging often demonstrates narrowing of the lumbar canal with compression of the cauda equina nerve roots by thickened posterior vertebral elements, facet joints, marginal osteophytes or soft tissue structures such as the ligamentum flavum or herniated discs. Although many conditions may be associated with lumbar canal stenosis, most cases are idiopathic. This condition must be differentiated from true claudication, which is caused by atherosclerosis of the pelvofemoral vessels. The characteristic syndrome associated with lumbar stenosis is termed neurogenic intermittent claudication. ![]() Entrapment of the cauda equina roots by hypertrophy of the osseous and soft tissue structures surrounding the lumbar spinal canal is often associated with incapacitating pain in the back and lower extremities, difficulty ambulating, leg paresthesias and weakness and, in severe cases, bowel or bladder disturbances. Lumbar spine stenosis most commonly affects the middle-aged and elderly population. ![]()
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