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  • Title: Metrizamide myelography and epidural venography. Their role in the diagnosis of lumbar disc herniation and spinal stenosis.
    Author: Herkowitz HN, Wiesel SW, Booth RE, Rothman RH.
    Journal: Spine (Phila Pa 1976); 1982; 7(1):55-64. PubMed ID: 7071662.
    Abstract:
    This study compares lumbar epidural venography with metrizamide (Amipaque) myelography as diagnostic modalities in the evaluation of lumbar disc herniation and spinal stenosis. The accuracy of epidural venography and metrizamide myelography was evaluated in 30 surgically confirmed cases of lumbar disc herniation and spinal stenosis to determine their relative diagnostic values. Sensitivities of epidural venography and metrizamide myelography were 83% and 97%, respectively, while the specificities were 88% and 100%, respectively. The conclusions of this study were: (1) The accuracy of metrizamide myelography exceeds that of epidural venography in the diagnosis of lumbar disc herniation and spinal stenosis. (2) Metrizamide myelography is indicated as the primary contrast technique in lumbar disc herniation and spinal stenosis. (3) Epidural venography is indicated as a secondary contrast technique in patients with a congenitally short or tapered dural sac.
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