Fig. 1 | Scientific Reports

Fig. 1

From: Propensity score-matched analysis of percutaneous endoscopic versus conservative treatment for lumbar disc herniation in high-risk octogenarians

Fig. 1

Percutaneous endoscopic transforaminal discectomy (PETD) was performed on an 88-year-old male patient with L4-L5 disc herniation. (A) Preoperative magnetic resonance image indicating L4-L5 disc herniation (arrow). (B) Intraoperative anteroposterior radiograph demonstrating the position of the working cannula. (C) Intraoperative lateral radiograph confirming the placement of the working cannula at the posterosuperior margin of the vertebral body. (D) Postoperative magnetic resonance image revealing a substantial reduction of the L4-L5 disc herniation (arrow). (E) Operative working cannula placed. (F) Intraoperative endoscopic view illustrating the nerve root (arrow)and intervertebral space (triangle).

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