Abnormal myelograms in asymptomatic patients.
D000367:Age Factors; D000368:Aged; D003937:Diagnosis, Differential; D004428:Ear Neoplasms / Q000175:diagnosis; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000175:diagnosis*; D008875:Middle Aged; D009192:Myelography; D009442:Neurilemmoma / Q000175:diagnosis