Percutaneous Endoscopic Discectomy via Transforaminal Route for Discal Cyst

Figure 1

Preoperative magnetic resonance imaging: (a) sagittal T2-weighted image, (b) axial T2-weighted image through the L4-L5 disc, and (c) axial T2-weighted image through L5 pedicle demonstrate the extradural cystic lesion with high signal intensity, communicating with the corresponding intervertebral disc (arrows).

(a)

(b)

(c)