Symptomatic anterior or anterolateral dural herniation of the spinal cord is rare, and not uncommonly misdiagnosed, both clinically and radiologically. We present four patients with a radiological diagnosis of herniation of the thoracic spinal cord, and review the current literature. All affected patients have been adults, typically presenting with long-standing, unexplained sensory symptoms and eventually developing a Brown-Séquard syndrome, with or without motor changes. Herniation occurs in the upper or midthoracic region, between the T2 and T8 levels.
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Hausmann, O.N., Moseley, I.F. Idiopathic dural herniation of the thoracic spinal cord. Neuroradiology 38, 503–510 (1996). https://doi.org/10.1007/BF00626082
- Spinal cord, herniation
- Dura mater, defects
- Magnetic resonance imaging