The importance of xeroradiography in the diagnosis of cervical discuss herniae

Air-myelography and discography were carried out in 88 patients. Air-myelography was performed by xeroradiography for the first time. In the case of xeroradiography the edge effects results in extremely sharp contours, thus the air-tissue boundary becomes significantly sharper on the xeroradiograms than on the classical film-radiograms. (L.E.)