2) Glomus Malformations

This case has some elements of a glomus and some elements of a intradural extramedullary AVM.

•Analogous to intracranial AVMs

•Tightly packed nidus of dysmorphic arteries and veins in direct communication w/o capillary bed; over a short segment of the spinal cord

•The nidus may be completely or partially intramedullary

•Usually at the cervicothoracic junction