Surg Neurol Int. 2015 Dec 08;6:S651-4. doi: 10.4103/2152-7806.171221. eCollection 2015.
Spontaneous frontal intradiploic meningoencephalocele.
Surgical neurology international
Matthew James McPheeters, Daraspreet S Kainth, Cornelius H Lam
Affiliations
Affiliations
- Department of Neurosurgery, University of Minnesota, Minneapolis, Minnesota 55455, USA.
PMID: 26713172
PMCID: PMC4683796 DOI: 10.4103/2152-7806.171221
Abstract
BACKGROUND: Since 1976, 10 cases of intradiploic encephaloceles have been reported in the literature. This case is the first report of a spontaneous intradiploic meningoencephalocele of the frontal bone hypothesized to be secondary to distant head trauma.
CASE DESCRIPTION: A 60-year-old female with a history of multiple traumatic head injuries as a child presenting with new onset generalized tonic-clonic seizures. Work-up revealed a right frontal epileptic focus. Imaging showed a right frontal intradiploic lesion. The patient underwent surgical resection, which during exploration was found to be an intradiploic encephalocele. She had an uneventful postoperative course with a resolution of seizures.
CONCLUSIONS: The authors hypothesize that the rare nature of posttraumatic frontal intradiploic encephaloceles is due to the increased thickness of the frontal bone compared to the parietal bone.
Keywords: Intradiploic; meningoencephalocele; trauma
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