Auto-immunological basis of disk degeneration.

Ninety-four subjects were divided into 5 groups according to symptoms and radiologic findings to devise a test for immunoglobin levels and lymphocyte microstimulation. Cellular immunity to disk antigens can be demonstrated in disk degeneration which may be primary or secondary. The serum level of IgM, irrespective of the age of the individual was significantly higher in patients with backache than asymptomatic patients.