Objective The finite element method was used to investigate the biomechanical adjustments
of adjacent and fixed segments after lumbar fusion and fixation with traditional trajectory (TT) …

Objective Bone mineral density assessment using Hounsfield Unit (HU) currently depends
upon the availability of computed tomography (CT) of the lumbar spine. The primary aim of …

Purpose To explore whether combining the Hounsfield unit (HU) values and vertebral bone
quality (VBQ) scores can improve the BMD assessment in patients with lumbar degenerative …

Objective Lumbar disc degeneration (LDD) is a common cause of low back pain and
disability, and its prevalence increases with age. The aim of this study is to investigate …

Cement augmentation of pedicle screws is one of the most promising approaches to
enhance the anchoring of screws in the osteoporotic spine. To date, there is no ideal cement …

Objective The screw path of lumbar pedicle screws in the vertebral body has certain
variability. It is not clear whether the screw paths in different directions can obtain the same …

Study Design. A retrospective study. Objective. To compare the accuracy of pedicle screw
placement and proximal facet joint violation (FJV) in single-level degenerative lumbar …

There are no clear boundaries between internal tissues in sheep Computerized
Tomography images, and it is difficult for traditional methods to meet the requirements of …

OBJECTIVE The aim of this study was to design a novel lumbar cortical bone trajectory
(CBT) penetrating the anterior, middle, and posterior vertebral area using imaging; measure …

Background To compare the CT values and length of the screw tracks of traditional trajectory
(TT), cortical bone trajectory (CBT), and modified cortical bone trajectory (MCBT) screws and …