Direct Pars Defect Tubular Decompression and TLIF for the Treatment of Low-Grade Adult Isthmic Spondylolisthesis: Surgical Challenges and Nuances of a Muscle-Sparing Minimally Invasive Approach

<div>Grade 1 L5-S1 spondylolisthesis with the bilateral pars defect. (a) Intraoperative visualization of left L5 pars fracture (horizontally oriented). (b) X-ray confirmation of the pars fracture location (after placement of pedicles, <i>K</i> wires, and tubular exposure).</div>

Minimally Invasive Surgery

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Figure 1

Figure 1: Direct Pars Defect Tubular Decompression and TLIF for the Treatment of Low-Grade Adult Isthmic Spondylolisthesis: Surgical Challenges and Nuances of a Muscle-Sparing Minimally Invasive Approach 

Figure 1 | Direct Pars Defect Tubular Decompression and TLIF for the Treatment of Low-Grade Adult Isthmic Spondylolisthesis: Surgical Challenges and Nuances of a Muscle-Sparing Minimally Invasive Approach 