Research Article

Comparing Thoracic Extensive Laminoplasty (TELP) and Laminectomy in Treating Severe Thoracic Ligamentum Flavum Ossification: A Proposed Novel Technique and Case-Control Study

Figure 1

Illustration of residual spinal canal area (RSCA-1) and residual spinal cord area (RSCA-2). (a) The area of the normal spinal canal. (b) The area of the narrow spinal canal. RSCA-1 or RSCA-2: S2/S1; RSCA-1 was evaluated by CT; and RSCA-2 was evaluated by MRI.
(a)
(b)