Parto Teb Azma

History (HX):
Progressive lower extremity weakness

Male   36 yr

Findings:
Sagital T2WI show multiple small flow void, along the dorsal surface of cord related to enlarged pial veins, on  post-contrast images these show mild enhancement. No abnormal signal within the cord to suggest venous hypertensive myelopathy.

Discussion:
The most common spinal vascular malformation. These are AV shunts that occur within the dural corening  of the spinal cord