Presentation
Right sided loss of proprioception, touch, vibration sense and paralysis, with left sided loss of pain and temperature sensation.
Patient Data
At T6/7 the thoracic cord is focally displaced anteriorly and to the right, and markedly distorted without convincing cord signal abnormality. Best seen on sagittal imaging part of the cord appears to extend beyond the expected location of the theca. Within the CSF space dorsal to the cord, no focal lesion can be identified. No abnormal enhancement. Normal CSF flow voids are noted.
Small T12/L1 left paracentral disc protrusion results is no canal stenosis or cord compression. The conus terminates at L1/2 is normal in appearance. All other levels of the thoracic cord are unremarkable.
Conclusion: Appearances are characteristic of idiopathic ventral cord herniation at T6/7, presumably due to a congenital dural defect.
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