Abnormal Vertebral Artery MRA Sequence – Sanjoy Sanyal
This is an MR Angiography sequence of a 46-year old male patient who was being investigated for TIA. The image sequence shows 3-D Time of Flight (TOF) Spoiled Gradient Recall (SPGR) Echo Acquisition images. It shows the Vertebrobasilar and Carotid systems of Cerebral circulation. An incidental finding was abnormal Right Vertebral artery - Narrow, Double, Accessory, Communication with Right Internal Carotid. The best way to visualize the image is by slideshow - imagine the head is rotating clockwise. There are plenty of labels in the images to guide the viewer.
Educational value: Not seen in a regular textbook. From an actual patient's casefile, with permission. Rare findings in brain circulation