A 27-year-old man had been suffering frequent headaches and had been falling over frequently for around three years. But when he had a seizure, he headed to the emergency department. They took an MRI and found THIS. If you need to get your bearings, the squished brain looking stuff is a squished brain. The black horror is an arachnoid cyst. Internist Jennifer De Longpre at Metro Health Hospital in Michigan spotted it and wrote the case report up for TheNew England Journal of Medicine.