T says: July 5, 2012 at 6:38 am Hi there Dr.Sethi, just wanted to tell you that I got a second reading of the MR images by the Head of Neuroradiology at the University Clinic, and he said that the image was an artifact, 5 spots, equally spaced one from another in one straight line, he said it was a ???pulsation artifact??? and they see it sometimes, and that I have nothing to worry about.