The number of patients with a diagnosis of lumbar spinal stenosis (LSS) is steadily increasing and the expectations of patients are high; however, valid data for an appropriate therapy are lacking. Treatment is mostly the result of the surgeon's experience and the clinical focus. The findings in magnetic resonance imaging (MRI) often do not correlate with the patient's symptoms. It is proposed that treatment should start with a conservative multimodal approach. Increased pain with neurogenic claudication symptoms under conservative treatment should be treated surgically. Absolute indications for surgery, such as a conus cauda syndrome are rare. The goal of all surgical procedures is to decompress the spinal canal without compromising the stability of the motion segment. This can also make an additional fusion necessary.
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