Arteriovenous malformation (AVM) is a tangled group of blood vessels with abnormal connections between arteries and veins. AVMs are rare — affecting less than 0.1 percent of Americans...
A meningioma is a tumor that grows from the dura which is part of the meninges, the membranes that surround the brain and spinal cord. Most meningiomas are noncancerous (benign), though rarely a meningioma may be cancerous (malignant).
Trigeminal neuralgia, also called tic doloureux, is a condition characterized by episodes of intense facial pain that lasts from a few seconds to several minutes or hours...