[Table/Fig-5]:

Epidural Scar: Axial T1W image (a); Axial T2W image (b) Shows epidural scar (arrow) in the left partial laminectomy defect and epidural space at L4-5 level. This scar tissue is encasing the left traversing nerve root (arrowhead) and appears hypointense on T1W and T2W images. Axial postcontrast T1 fat suppressed image (c) Show enhancing scar tissue surrounding the non enhancing nerve root. (All Image left to right)