29 July 2021>: Clinical Research
Efficacy of Single Level Versus Double Levels Surgery of Percutaneous Disc Nucleoplasty (PDN) Approach in Treating Lumbar Disc Herniation
Haidong Yin 1BCDEF , Xinmei Zhang 2BCEF , Zhiping Huang 3BCD , Yang Song 2BCF , Qingan Zhu 3ADEG*DOI: 10.12659/MSM.930000
Med Sci Monit 2021; 27:e930000
Figure 1 Examination of annulus integrity was necessary prior to nucleoplasty procedure. Fluoroscopic images showed no leakage of contrast agent at the L4/5 level. (A) Anterior-Posterior view. (B) Lateral view.