By David H. Durrant
Richly illustrated and straightforward to exploit, Myelopathy, Radiculopathy, and Peripheral Entrapment Syndromes offers broad and updated information regarding the etiopathic and scientific presentation of neurovascular compression insult to the spinal wire, spinal nerve roots, and peripheral nerves. Written with either the scholar and practitioner in brain, the e-book covers myelopathy, radiculopathy, and peripheral entrapment syndromes in separate sections, making the knowledge effortless to discover.
Each part includes:
More than 275 certain, unique illustrations and MRIs let you visualize the suggestions. greater than a hundred thirty concise tables hide the topic-specific highlights. those beneficial properties mix to offer the publication a quick-reference caliber that units it aside. Myelopathy, Radiculopathy, and Peripheral Entrapment Syndromes presents the entire useful info you would like - in a single handy source - to successfully diagnose and think again neurological issues of the backbone and extremities from a neurologic perspective.
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Additional info for Myelopathy, Radiculopathy, and Peripheral Entrapment Syndromes
Fibers contributing to the lumbar and sacral innervated regions lie within the dorsal lateral aspect of the tract, whereas fibers innervating more caudal and cervical musculature are located more ventromedially, near the central gray matter. Fibers that do not decussate descend ipsilaterally within the anterior corticospinal tract located within the anterior fasciculus. Corticospinal axons descend throughout the length of the spinal cord, synapsing directly on lower motor neurons lying within the anterior gray matter.
Nerve fibers of the spinal white matter can be categorized into five groups: (1) afferent fibers from cells in the dorsal root ganglia, which enter through the dorsal root and may ascend or descend within the cord before synapsing; (2) long ascending fibers derived from nerve cells in the cord, which conduct afferent impulses to supraspinal levels; (3) long descending fibers from supraspinal sources, which synapse within the spinal gray matter; (4) fibers affecting intrasegmental and intersegmental spinal cord processing; and (5) fibers from motor neurons in the ventral and lateral gray columns, which exit the cord into the ventral spinal nerve root.
Second-order neurons lie within the deeper layers of the posterior horn and give rise to axons that decussate in the ventral white commissure just anterior to the central spinal canal, converging within the lateral funiculus to form the spinothalamic tract. Secondorder neurons ascend contralaterally within the anterolateral funiculus to synapse within the VPL nucleus of the thalamus and within the posterior interlaminar nuclei of the thalamus. Third-order neurons arise within the VPL of the thalamus and project through the posterior limb of the internal capsule arriving at the primary somatosensory cortex (Brodman’s area 1, 2, and 3).