Seven patients with complaints and physical findings suggesting a diagnosis of herniated intervertebral cartilage (disk syndrome) were found, on more thorough study, to have neoplastic disease of the bone. Roentgenographic examinations were done to show the vertebrae in better detail than before and to survey bones other than the vertebrae. In three patients the neoplastic process involved lumbar or sacral vertebrae, but in three others it involved the pelvis and in the seventh it involved the femur. In cases of supposed disk syndrome a thorough study of the rest of the skeleton should be done before elective surgery is attempted on the vertebral column.
Walker HR. EXTRADURAL OSSEOUS LESIONS SIMULATING THE DISK SYNDROME. JAMA. 1960;172(7):691–694. doi:https://doi.org/10.1001/jama.1960.03020070049014
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