Abstract
Ossification of the posterior longitudinal ligament (OPLL) is an uncommon pathologic entity characterized by heterotopic ossification of the posterior longitudinal ligament, as the appellation suggests. It may induce spinal canal stenosis with subsequent development of myelopathy and/or radiculopathy due to direct neurologic compression, ischemia, or stretching. Sometimes, OPLL may be confused with spinal osteophytes, posterior ring apophysis separation (PRAS) of the vertebral body, and calcification of the intervertebral disc.
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Akhaddar, A. (2023). Posterior Longitudinal Ligament Ossifications. In: Atlas of Sciatica. Springer, Cham. https://doi.org/10.1007/978-3-031-44984-0_83
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DOI: https://doi.org/10.1007/978-3-031-44984-0_83
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