There is a mass or swelling of the prevertebral or paravertebral soft tissues present.

There is a destructive or erosive process present involving the vertebral body, its end plates, pedicles, or posterior elements at any level.

There is an abnormality within the epidural space or involving the epidural venous plexus.

There is an extra dural disease process present compressing the thecal sac and related neural elements.

The thecal sac is either intrinsically or extrinsically abnormal.

There is altered signal intensity within the spinal subarachnoid space.

There is abnormal enhancement of the spinal subarachnoid space and/or pia-arachnoid.

There is evidence of abnormal vascularity or flow voids in the subarachnoid/pial and/or epidural space.

The spinal cord is displaced.

The spinal cord is enlarged either focally, segmentally or diffusely.

The spinal cord is smaller than normal either focally, segmentally or diffusely.

There is a short segment lesion.

There is a long segment lesion.

There is a mass in the spinal cord abnormality.

There is a mass in the spinal cord abnormality that is predominantly located in the central spinal cord.

There is a syrinx or cyst in the spinal cord abnormality.

There is a central spinal cord abnormality that alters its signal intensity, enhances and/or contains blood products.

There is a spinal cord abnormality that alters its signal intensity and/or enhances or contains blood products distributed mainly along white matter tracts.

There is a spinal cord abnormality that is predominately in gray matter that alters its signal intensity and/or enhances or contains blood products.

There is an tract specific spinal cord spinal cord abnormality.

There is a spinal cord abnormality that predominately involves the dorsal root entry zones altering the signal intensity and/or enhancing or is associated with blood products.

There is a spinal cord abnormality that predominately involves the ventral root entry zones or proximal roots of the cauda equina that alters the existing signal intensity and/or enhances or is associated with blood products.

There is a spinal cord abnormality that predominately involves one of the arterial distribution.

There is an abnormal signal on DWI.

There is a central to ventral spinal cord that tapers to a “snake eye” configuration.

There is a cauda equina abnormality that predominately involves the conus medullaris and the root entry zones of the cauda equina that alters the normal signal intensity and/or enhances or is associated with blood products.

There is a mass in the cauda equine.

The roots of the cauda equina are abnormally distributed within the thecal sac.

The roots of the cauda equina are abnormally enhancing and thick within the thecal sac.

The cervical medullary junction is abnormal.

Other visualized portions of the brain are abnormal.