RT Journal Article SR Electronic T1 Spontaneous meningocele, a rare middle ear mass. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 203 OP 207 VO 16 IS 1 A1 B G Gray A1 R A Willinsky A1 J A Rutka A1 C H Tator YR 1995 UL http://www.ajnr.org/content/16/1/203.abstract AB This report describes the CT and MR findings in one patient with a spontaneous middle ear meningocele and a second patient with a middle ear meningoencephalocele possibly related to a large intracranial mass. High-resolution CT defined anatomic relation and bone destruction, and MR aided in tissue characterization.