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Related Concept Videos

The Spinal Cord01:54

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The spinal cord is the body’s major nerve tract of the central nervous system, communicating afferent sensory information from the periphery to the brain and efferent motor information from the brain to the body. The human spinal cord extends from the hole at the base of the skull, or foramen magnum, to the level of the first or second lumbar vertebra.
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Spinal Cord: Gross Anatomy01:15

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The spinal cord resides within the protective confines of the vertebral column. It is the main pathway for information traveling between the brain and the body. It plays a fundamental role in nearly all bodily functions, from simple reflexes to complex motor movements. The spinal cord begins at the medulla oblongata at the base of the brainstem and extends downward, terminating at the conus medullaris near the first and second lumbar vertebrae. The spinal cord's length in adults is...
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Spinal Cord: Cross-sectional Anatomy01:16

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The cross-sectional anatomy of the spinal cord offers a detailed view of its complex structure and function within the central nervous system. At the core of the spinal cord lies the gray matter, characterized by its butterfly or "H"-shaped appearance in cross-section. This central region is enveloped by white matter, with the overall structure divided into symmetrical halves by the dorsal median sulcus and the ventral median fissure.
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Spinal Cord01:26

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Nerve plexuses are networks of interlacing nerves that serve as communication hubs to distribute and organize nerve action across various body regions. The nerve plexuses are organized into the cervical plexus located in the neck region, brachial plexus in the shoulder area, lumbar plexus found in the lower back, sacral plexus situated in the pelvis, and coccygeal plexus located in the coccygeal region.
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Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression
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Dynamic Cord Compression Causing Cervical Myelopathy.

Andrei Fernandes Joaquim1, Griffin R Baum2, Lee A Tan3

  • 1Neurosurgery Division, Department of Neurology, State University of Campinas (UNICAMP), Campinas, Brazil.

Neurospine
|October 15, 2019
PubMed
Summary
This summary is machine-generated.

Dynamic MRI (dMRI) improves diagnosis of cervical spondylotic myelopathy by detecting spinal cord compression missed by static imaging. This technique is crucial for identifying dynamic cord compression, aiding surgeons in better patient treatment.

Keywords:
Cervical cordMyelopathySpinal cord compression

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Area of Science:

  • Neurosurgery
  • Radiology
  • Spinal Cord Imaging

Background:

  • Cervical spine mobility often leads to missed diagnoses of dynamic cord compression on static imaging.
  • Cervical spondylotic myelopathy (CSM) diagnosis can be challenging due to the elusive nature of dynamic cord compression.

Purpose of the Study:

  • To review the role of dynamic MRI (dMRI) in diagnosing dynamic cervical cord compression in CSM.
  • To compare the sensitivity of dMRI versus standard MRI for detecting cervical stenosis.

Main Methods:

  • Literature review focusing on dynamic cord compression and dMRI in CSM.
  • Analysis of cadaveric studies on spinal cord and canal dimension changes with neck movement.
  • Evaluation of studies utilizing dMRI for CSM and ossification of the posterior longitudinal ligament (OPLL).

Main Results:

  • dMRI is more sensitive than neutral-position MRI in detecting cervical cord compression, particularly in extension.
  • dMRI effectively diagnoses dynamic compression post-laminectomy in deteriorating patients.
  • dMRI shows higher sensitivity in CSM patients compared to OPLL patients due to range of motion differences.

Conclusions:

  • Dynamic MRI is a valuable tool for diagnosing dynamic cervical cord compression in CSM.
  • dMRI enhances diagnostic accuracy, aiding spine surgeons in treatment planning for CSM patients.
  • dMRI offers improved detection of spinal stenosis compared to conventional imaging methods.