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CT and MRI of Disk Herniations by Dr. Denis Krausé, Dr. Jean Luc Drapé, Professor Dr. Daniel

By Dr. Denis Krausé, Dr. Jean Luc Drapé, Professor Dr. Daniel Maitrot, Dr. Bernard Woerly, Professor Dr. Jean Tongio (auth.)

The ever-increasing curiosity within the backbone and its pathology is no surprise. appearing because the major aid of an erect posture designated within the animal nation, the human backbone is, as a result of its a number of articulations, whilst a supple constitution which may reply to the numerous stresses that are wear it. consistent flow is critical to maintain its functionality, yet general and good­ can also be crucial. The excessive frequency of spinal issues end result­ located relaxation ing from misuse is definitely defined by means of daily truth. one of the issues that outcome from misuse of the backbone, herniated disk, resulting in radicular compression, is without doubt one of the such a lot widespread. New tech­ niques, much less invasive and yielding extra specific info, were seasoned­ gressively constructed for the analysis of this sickness and even as new tools of remedy have seemed, giving us a much wider variety of selections and judgements to make. within the face of this evolving, advanced scenario, a multidisciplinary group from Strasbourg determined to elucidate the subject. A unmarried man's event, what­ ever his features, will surely were inadequate and the inevitably constrained perspectives of a unmarried speciality may even have been a handicap. This re­ markable paintings is hence the results of collaboration among scientific and inter­ ventional radiologists and a neurosurgeon.

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Extra resources for CT and MRI of Disk Herniations

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CT is capable of distinguishing the venous stasis at the neural foramen entrance from the arthrosis (--). b Far lateral and dense small disk herniation (arrowhead). c Calcifications The free fragment may be visualized directly as a hypodensity in the middle of a large herniation; it may also be suspected from a very lateralized location of the herniation. An isolated foraminal venous stasis with an apparently normal disk may be the only sign of a nuclear fragment which has migrated some distance.

C Calcifications The free fragment may be visualized directly as a hypodensity in the middle of a large herniation; it may also be suspected from a very lateralized location of the herniation. An isolated foraminal venous stasis with an apparently normal disk may be the only sign of a nuclear fragment which has migrated some distance. The hypodensity represents the free fragment still in contact with the annulus fibrosus of the disk, and embedded in the fibers of the posterior longitudinal ligament.

Evolution of Unoperated Soft Disk Herniations 27 Fig. 30 a, b. Cervical myelopathy: gait disturbances and intermittent medullary claudication, paresthesia of both thumbs and both index fingers. Workup: Lateral cervical myelography, metrizamide CT scans at C4-C5, C5-C6, and C6-C7. CT study at C5-C6: a Foraminal plane: Narrow cervical canal combined with a median osteophyte (-). Absence of the anterior subarachnoid space; compressed spinal cord (white arrowhead). b Diskal plane: No herniations present.

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