X-RAY VISUALIZATION OF THE INTERVERTEBRAL DISK

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Abstract
ALTHOUGH the results of surgical treatment of protruded intervertebral disks are better than those when such treatment is not carried out, nevertheless they do leave something to be desired. Therefore, any method of investigation which promises to add to our knowledge of this problem deserves careful consideration. For this reason, when Lindblom's method of roentgenographic visualization of the intervertebral disk came to our attention, we decided to investigate its potentialities. In 1948 Lindblom,1 of Sweden, published his description of a method of direct injection of the intervertebral disk with a rapidly absorbable water-soluble contrast substance. Although only 15 disks had been so examined, he considered the method of great practical value and superior to myelography in accuracy. In 1950 he published the results of injection of 52 lumbar intervertebral disks.2 The purpose of this preliminary report is to discuss our experience with the injection of 169 disks. One

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