PMC6169350_01
Computed tomography in sagittal section, bony window. There was extensive and gross high-density lesion suggesting calcification of the posterior longitudinal ligament causing reduction in the vertebral canal caliber, especially at T2-T4 levels
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F1
A computed tomography (CT) scan showed extensive thoracic OPLL extending from the T2-T4 levels, with some fractures within the OPLL mass [Figure 1].