Ossification of the posterior longitudinal ligament (OPLL) is a condition caused by new bone developing in the posterior longitudinal ligament within the spinal canal. OPLL is a common cause of myelopathy in East Asian countries. Here, we report a case with OPLL in thoracic and lumbar spine in Kermanshah, West of Iran.
Case presentation: A 40 years old man gradually developed lower extremities paresis with defecation or voiding difficulties. Radiographic evaluation by computed tomography (CT) and magnetic resonance imaging (MRI) confirmed the mass of ossification at the posterior aspect of the T2-T4 and T12-L1 of vertebral body with spinal cord compression. Although OPLL is a common cause of myelopathy in the East Asian countries, it should be included in differential diagnosis of myelopathy in other regions.
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