Research Article

Dissatisfaction Risk Factors of Patients after Laminectomy for Thoracic Ossification of Ligamentum Flavum: A Retrospective Cohort Study of Different Follow-Up Periods

Figure 2

The shape on the sagittal MRI of TOLF. Sagittal T2-weighted MR images demonstrating morphological classifications of TOLF: (a) beak type and (b) round type.