PMC7193193_01
Magnetic resonance imaging of the thoracic spine (sagittal view) shows the syrinx with dorsal indentation of the cord (arrow).
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F1
T4) and a T2-T4 syringomyelia. The CT myelogram documented a possible ventral dural defect supporting the diagnosis of ventral cord herniation [Figures 1 and 2].
Computed tomography myelogram of the thoracic spine (sagittal view) shows the ventral displacement of the cord (arrow).
SNI-11-66-g002.jpg
PMC7193193_01_SNI-11-66-g002.jpg
F2
T4) and a T2-T4 syringomyelia. The CT myelogram documented a possible ventral dural defect supporting the diagnosis of ventral cord herniation [Figures 1 and 2].
Intraoperative microscopic view (50x) shows dilation of the dorsal arachnoid with the dorsal arachnoid web.
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PMC7193193_01_SNI-11-66-g003.jpg
F3
Intraoperatively, the patient was found to have a dorsal thoracic web; there was no cord herniation [Figure 3].