Arterio-venous malformations (AVMs) of the brain are usually easy to evaluate and diagnose on MRI. Once in a while though prior to treatment, a 3D model may be of help in evaluating the anatomy.

This is a young patient with a pericallosal AVM. The 3D model obtained after an angiogram shows the feeding artery and draining vein exquisitely, making surgical planning and intervention easy.

3D model shows the nidus, the feeding vessels and the draining veins