Hemorrhagic lumbar synovial facet cyst secondary to transforaminal epidural injection: A case report and review of the literature

Figure 1 T2 weighted midsagittal (A) and axial (B) magnetic resonance imaging scan showed intraspinal extradural well delineated capsule containing a mixed signal intensity lesion on the left side at L5-S1 causing server canal stenosis with displacement of the thecal sac to the right side.