A fistula is a standard term for an abnormal connection of blood vessels. Arteriovenous fistulas can materialize from the tissue that handles your brain and spinal cord. AVMs can materialize inside your brain’s tissues. Fistulas are more generally connected with head trauma or infection than AVMs. For lesions that entail https://www.sgvascularctr.com/understanding-venous-malformation-treatments-in-singapore/