These tumors arise in the region of the pineal gland, a small structure deep within the brain. They account for about 1 percent of brain tumors, but make up 3 percent to 8 percent of the intracranial ...
We report the case of a 17-year-old adolescent presenting with a large pineal region mass initially interpreted as a ruptured mature teratoma with intraventricular dissemination, complicated by ...