Diagnosis and Surgical Treatment of Thoracic Dorsal Arachnoid Web: A Report of Two Cases

Figure 3

Preoperative T2-weighted MRI and CT myelography. (a, b) Sagittal MRI and CT myelography show the “scalpel sign.” The white line indicates the T5/T6 disc level. (c, d) Axial MRI and CT myelography show spinal cord deviation.

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