Patients with cervical neuralgia usually have x-ray examinations of the cervical spine. If the radiographs show degenerative lesions, there is reason to believe that most doctors accept these as the explanation for the complaints. I will not here take any point of view regarding the many theories which attempt to explain the cervicobrachial syndrome. Preliminary mention should be made, however, of the fact that roentgenologic degenerative changes in the cervical spine have so often been observed in persons presenting no clinical symptoms that the x-ray investigation, according to many authors, is of no importance in cases of common brachial neuralgia. That the roentgenogram is nevertheless important in order to exclude more serious disorders, it is of course unnecessary to point out. In this paper, which does not claim to keep to strict scientific standards, but which, it is hoped, will permit some positive conclusions, I have tried to answer three simple questions: 1. How often is it possible to demonstr...