Richardson J K, Hirsch C S
Am J Forensic Med Pathol. 1986 Mar;7(1):64-8. doi: 10.1097/00000433-198603000-00014.
A 20-year-old woman had a minute vascular malformation in the wall of a glial cyst of the pineal body. Bleeding into the cyst lumen caused rapid expansion of the pineal body, resulting in compression of the midbrain and her sudden, unexpected death.