2004, Number 2
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ABSTRACTThe successful management of lumbar pain requires the precise anatomic localization of its origin. Lumbar discography followed by a CT, is a valuable tool to determine the importance of doubtful disc abnormalities or in multiple levels, determining the type of herniation and defining the surgical options in the evaluation of previously operated spines. In 89-94% of patients, CT discography can correctly predict the type of herniation as a protrusion, extrusion, sequestration or internal disruption. The main finding is disc stimulation where the provoked pain determines if the disc is the origin of the pain. The diagnosis and applications of lumbar discography have always been controversial and this position has not changed even with the introduction of computed tomography and magnetic resonance imaging. This technique has been used for the study of lumbar disc degeneration and has provided information not obtainable with other means.
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