The localization of protruded lumbar discs in advancing age.
The Leiden case material of 6,565 protruded/herniated discs is analyzed with regard to age and localization. It appears that a positive correlation exists between these two parameters: in advancing age the protruded disc shows an apparent shift in localization to higher lumbar levels, the incidence of its localization at the L5-S1 level decreasing markedly at the same time.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000473:pathology*; D008159:Lumbar Vertebrae; D008875:Middle Aged