Most common diseases associated with the X ray findings in the spine

What are the most common diseases associated with the following radiographic changes seen in the spine

  • • Vacuum disc sign
    • Disc degeneration
  • • Disc space calcification at multiple levels
    • Ochronosis if patient is young (<30 years)
    • CPPD and others
  • • Sacroiliitis
    • AS (usually symmetric sacroiliitis)
    • Enteropathic arthritis (usually symmetric sacroiliitis)
    • Chronic reactive arthritis (frequently asymmetric sacroiliitis)
    • Psoriatic arthritis (frequently asymmetric sacroiliitis)
    • Infection (unilateral sacroiliitis)
    • DISH may demonstrate abnormality of the sacroiliac joints with large osteophytic sclerosis at the junction of upper 1/3 and lower 2/3 of sacroiliac joints
  • • Syndesmophytes
    • AS and enteropathic arthritis (thin, marginal bilateral syndesmophytes)
    • Chronic reactive and psoriatic arthritis (large, nonmarginal, asymmetric syndesmophytes)
  • • Ossification of posterior longitudinal ligament (OPLL) —usually C3–C4. Can cause spinal stenosis. Frequently in Asian patients.

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