Neurochirurgie
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In this paper, we discuss the historical and pathophysiological aspects of syringomyelia. Defined as fluid cavities extending beyond several segments within the spinal cord this pathological entity is a condition with many possible causes. Hindbrain herniation is the commonest foramen magnum abnormality associated with the so called "hindbrain related syringomyelia". ⋯ Arachnoid scarring is related in many case to spinal trauma or occurs after spinal meningitis, spinal intradural surgery, peridural anesthesia, subarachnoid hemorrhage. Rarely an extra medullary compression is discussed. The mechanism involved is here again an alteration of the CSF flow at the spinal level.