Ossification of the Posterior Longitudinal Ligament

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What is Ossification of the Posterior Longitudinal Ligament?

In a small number of individuals, the ligament which helps maintain the integrity of the spinal column calcifies, taking on a bone-like quality, increasing its size and potentially injuring the spinal cord via compression. Men, individuals of Japanese and Korean descent, and individuals with diabetes have a higher likelihood of developing OPLL. Pain and numbness in the extremities are the primary symptom of OPLL, although most patients display no symptoms at all.