Clinical study of CT discography for the lumber disc hernination

The purpose of this ckinical study was to introduce technique for correct positioninf of the needle into the center of the disc for discography by means of CT analysis and also to clarify usefulness of CT discography for diagnosis of the lumber disc herniation. We have taken CT analysis in order to determine correct place center of disc, discogram false positive or negative will occur as a result. The materials of this study are 222 discs of 105 cases with the lumber disc herniation. Comparative study of the findings among myelogaphy, discography and CT discography was investigated. The results indicated that CT discography demonstrates the most clear findings and is useful in diagnosis of the lumber disc hernaiation, especially in obtaining detailed observation of herniated.