Abstract
Cauda equina syndrome is an important neurologic disorder characterized by lower back pain, sciatica, perineal numbness, and sphincter dysfunction. This article reviews the anatomy, clinical presentation, evaluation, and treatment of cauda equina dysfunction, focusing on diskogenic cauda equina syndrome. Assessment of suspected cauda equina syndrome is hampered by modest diagnostic accuracy of any one clinical feature. Although urgent operation for diskogenic cauda equina syndrome is standard practice, most data about timing of intervention comes from small case series; however, randomized trials are very unlikely given the ethical implications of delaying surgical intervention. In the absence of high-quality data indicating otherwise, urgent evaluation and intervention are required for diskogenic cauda equina syndrome. Other etiologies of cauda equina dysfunction including neoplastic, infectious, and iatrogenic causes must also be considered, especially in the setting of normal neuroimaging studies.
Published Version
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