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Figure 1: (a) Axial contrast MRI image showing dorsally placed lesion with enhancing wall (arrow); (b) axial image showing extension of the lesion through right neural foramina (arrow); (c) axial MRI image showing extension of the cyst in the paraspinal muscles (arrow). The lamina is seen intact in all the three images. (d) X-ray AP view of the thoracic spine showing erosion of the pedicle on the right side (arrow). (e) Paraspinal MRI image showing lesion in the neural foramina (arrow). (f) Posterior extradural lesion (arrow) seen on the midsagittal MRI image

Figure 1: (a) Axial contrast MRI image showing dorsally placed lesion with enhancing wall (arrow); (b) axial image showing extension of the lesion through right neural foramina (arrow); (c) axial MRI image showing extension of the cyst in the paraspinal muscles (arrow). The lamina is seen intact in all the three images. (d) X-ray AP view of the thoracic spine showing erosion of the pedicle on the right side (arrow). (e) Paraspinal MRI image showing lesion in the neural foramina (arrow). (f) Posterior extradural lesion (arrow) seen on the midsagittal MRI image