MRI of cervical and thoracic spine. (A) Sagittal T2 image of cervical and upper thoracic spine showing syrinx (arrow) in spinal cord. (B) Sagittal T2 images of lower cervical and thoracic spine ...

Dr Elbary added that the lack of availability of MRI scans — the tests used ... where a fluid-filled cavity called a syrinx develops in the spinal cord — it can damage the spinal cord if ...