RT Journal Article SR Electronic T1 Intracranial Dermoid Cyst Ruptured into the Membranous Labyrinth Causing Sudden Sensorineural Hearing Loss: CT and MR Imaging Findings JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E69 OP E71 DO 10.3174/ajnr.A2627 VO 33 IS 5 A1 Y.-C. Koh A1 J.W. Choi A1 W.-J. Moon A1 H.G. Roh A1 H.J. Park YR 2012 UL http://www.ajnr.org/content/33/5/E69.abstract AB SUMMARY: A ruptured dermoid cyst is rare and can present with various symptoms. We report imaging findings of an intracranial dermoid cyst that ruptured into the endolymphatic sac, causing sudden sensorineural hearing loss. Ssigmoid sinus