THE LUMBAR DISCAL HERNIATION OF THE INTERVERTEBRAL FORAMEN CONCERNING 37 CASES OF OPERATED HERNIATIONS

  • 1 January 1984
    • journal article
    • research article
    • Vol. 30  (5) , 301-307
Abstract
Lumbar discal herniations (37) situated in the intervertebral foramen were operated on; out of a total of 525 operations for lumbar discal herniations during the same period, that is 7%. The habitual negativity of the contrast neuroradiologic investigations (saccoradiculography, discography, phlebography) may explain its relative rareness. In the future, the scanner, always positive in these cases, will perhaps enable an appreciation of its exact frequency. The radicular pain may be simple in the territory of a root emerging at the upper discal level, which explains the difficulty of diagnosis. It may also involve 2 roots, including the root emerging at the discal herniation level. The great frequency of L4-L5 herniations explains the high number of crural pains by compression of the L4 root. Finally, crural pain, in the series of all the lumbar herniations operated on, seemed to be linked to a herniation of the upper discs (L3-L4, L2-L3: 18 cases) as often as to a herniation of the intervertebral foramen of L4-L5 (17 cases).

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