Fig. 7
From: Spinal arteriovenous fistula coexisting within a spinal lipoma: report of two cases

Case 2 Angiogram showing an abnormal blood vessel with a shunt within the lipoma fed by the right second lumbar artery. The feeding artery (thick black arrow) is entering the lipoma from the ventral side, passing the shunt (white arrow), and then entering the spinal canal as the draining vein (thin black arrow)