Figure 1
MRI images of SS in spinal canal. T1WI sagittal (1A) displays a striped, iso-signal mass within the spinal canal; T2WI sagittal view (1B) reveal an iso-signal mass with mixed patchy high signal areas; T1WI enhanced sagittal view (1C) shows significant inhomogeneous enhancement; T1WI coronal view (1D) and axial view (1E) show (arrow) demonstrate that part of the lesion extends outward along the first and second sacral foramen on the right.
Figure 2
Pathological results. hematoxylin-eosin staining (×100) (2A), Immunohistochemical staining (2B).