RT Journal Article
SR Electronic
T1 Parapharyngeal Neuroglial Heterotopia Presenting as a Growing Single Locular Cyst: MR Imaging Findings
JF American Journal of Neuroradiology
JO Am. J. Neuroradiol.
FD American Society of Neuroradiology
SP 96
OP 99
VO 26
IS 1
A1 Chen, Chia-Yuen
A1 Huang, Jen-Hung
A1 Choi, Wai-Man
A1 Chen, Chi-Long
A1 Chan, Wing P.
YR 2005
UL http://www.ajnr.org/content/26/1/96.abstract
AB Summary: Heterotopic brain presenting as a giant, growing, single locular cyst at the parapharyngeal space has not been reported before, to our knowledge. We present such a case, with MR imaging findings, in a 13-month-old girl. A well-demarcated giant cystic mass was noted in the left parapharyngeal space from the skull base to the submandibular region. Airway compression and deformity of the left mandible with subluxation of the temporomandibular joint were noted. The cyst contained a clear fluid that was isointense to CSF with all pulse sequences. Wall enhancement was noted on contrast-enhanced T1-weighted images. No connection to intracranial structures was noted. Histologic findings were compatible with neuroglial heterotopia.