Dear Editor, I read with interest the article by Rocos and Harding 1 in which they presented
their radiological, clinical, and patient-reported outcome data at 2-year follow-up for patients …

Background: The minimally invasive cortical trajectory screw (MidLF) technique has been
described accompanied with posterolateral interbody fusion (PLIF). We present our 2-year …

Objective To compared these screw locus combinations with traditional pedicle screws and
traditional cortical locus screws by clinical analysis to determine the effects of different locus …

Background: The study design was a retrospective cohort study. The objective was to
identify preoperative (preop) radiographic features that are associated with increased …

We read the article titled,“The impact of interbody approach and lumbar level on segmental,
adjacent, and sagittal alignment in degenerative lumbar pathology: a radiographic analysis …

Background: Minimally invasive transforaminal lumbar interbody fusion (MIS TLIF)
techniques have allowed for improved recovery and other metrics compared to its open …

We read and discussed at length the article “Postoperative low back pain after posterior
lumbar interbody fusion surgery using cortical bone trajectory screws” by Nakajima et al.[1] …

The authors 1 have reported a series of 171 patients, comparing expandable and static
transforaminal lumbar interbody fusion (TLIF) cages. They have found that in patients who …

Purpose Degenerative changes of the lumbar spine lead in general to decrease of lumbar
lordosis (LL). This change affects the overall balance of the spine, and when surgery is …

Object In this paper the authors sought to determine the segmental lumbar sagittal contour
change after bilateral transforaminal lumbar interbody fusion (TLIF). Methods Between …