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>(a) The dura is localized at the beginning of a left L5 hemilaminectomy (the surgical instrument is placed over the medial aspect of the pars defect and fibrocartilaginous tissues). (b) Dura and decompressed left exiting (above the instrument) and left traversing (below the instrument) nerve roots are visualized.</div>

Minimally Invasive Surgery

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Figure 2

Figure 2: 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 2 | 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 