Several forms of injury affect the vertebral discs. Disc bulges, for instance, are more broad-based injuries, while disc herniations tend to be more focal. Complete tears of the annulus result in disc extensions, while free fragments of the annulus cause disc sequestrations. All of these forms of disc injury can cause pain in both the back and extremities, and the symptoms worsen as the injuries progress from bulges to sequestrations. Most commonly, pai
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