Contiguous Multilevel Thoracic Ossification of Ligamentum Flavum in a Young Adult Spine

Figure 2

Preoperative thoracic CT. Ossified epidural posterior mass compressing the thoracic cord between Th6 and Th9 was revealed in coronal view (a) and sagittal view (b) of thoracic CT. Ossified lesion reached to extraforamen at Th7/8 intervertebral levels (c). Axial view of epidural ossified mass in Th6/7 (d), Th7 (e), Th8/9 (f), and Th9/10 (g) levels, which occupied about 50-80% of the spinal canal.

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