Abstract
We read with great interest the article by An et al. [1] titled Comparison of Posterior Lumbar Interbody Fusion and Posterolateral Lumbar Fusion in Monosegmental Vacuum Phenomenon within an Intervertebral Disc. The authors analyzed retrospectively collected data involving 84 patients and described their experience with postero-lateral and posterior lumbar inter-vertebral fusion in situations of mono-segmental inter-vertebral disc vacuum. This issue remains controversial and the authors' description is definitely an eye-opener to the readers. It is a well-written article and has fore-grounded some of the major concerns of the contemporary medical fraternity. We do have some queries to the authors regarding this study:
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