RT Journal Article SR Electronic T1 Dense dermoid cyst of the posterior fossa. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 317 OP 317 VO 12 IS 2 A1 Drolshagen, L F A1 Standefer, M YR 1991 UL http://www.ajnr.org/content/12/2/317.abstract AB