case_images: PMC6169350_01
case_images: 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
case_images: SNI-9-194-g001.jpg
case_images: PMC6169350_01_SNI-9-194-g001.jpg
case_images: F1
case_images: A computed tomography (CT) scan showed extensive thoracic OPLL extending from the T2-T4 levels, with some fractures within the OPLL mass [Figure 1].