Because each lumbar facet joint is innervated by two medial branches of the primary dorsal ramus, both must be anesthetized to completely block a single joint. For example, to block the L4-L5 facet ...
Herniated nucleus pulposus (HNP), also referred to as a herniated disc, is a common spine pathology that occurs approximately 95% of the time at the L4-L5 or L5-S1 level (Fisher et al., 2004; Asch et ...
The patient is a 47-year-old female who sustained a C5/6 fracture with C6 complete tetraplegia 26 years ago. She is well adjusted socially and has a regular job. At this time, she presented with ...
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Lumbar spine anatomy and function
Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The lumbar spine includes five vertebrae that help with mobility ...
Tethered Cord Compared to a Normal: (Top left) T2-weighted sagittal MRI in a patient with a tethered cord and lipoma; (Bottom left) T2-weighted axial MRI at the L4-L5 level in a patient with a ...
Axial MRI of the Lumbar Spine - T2 weighted image at the L4 level. On this view centered over the L4-L5 disk, one can see well the cauda equina surrounded by CSF (note that CSF is bright on ...
Tiger Woods announced Saturday that he has another surgery on his back. The 15-time major champion posted on social media that he underwent an L4-L5 disc replacement surgery on his lumbar spine. The ...
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