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Surgical Implications of the Anteriorly Displaced Segments of the Anterior Cerebral Artery in the Management of Frontoethmoidal Meningoencephalocele

Prasad, Vani, MBBS, FRACS; David, David J., MD, FRACS; Santoreneos, Steve, FRACS; Moore, Mark H., MBChB, FRACS

Journal of Craniofacial Surgery: May 2019 - Volume 30 - Issue 3 - p 816–817
doi: 10.1097/SCS.0000000000005170
Clinical Studies
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Background: Preservation of the anterior cerebral arteries (ACAs) is important in the surgical management of frontoethmoidal meningoencephalocele (FEME). This would avoid complications related to the loss of blood supply to the part of the brain supplied by the ACA. Previous reports have identified hydrocephalus, microcephaly, cerebral dysplasias amounting to a 15% to 20% prevalence of brain anomalies in patients with FEME. What has not been previously reported are cerebral vasculature changes in the frontal region in FEME and how these may impact on the surgical correction and clinical outcome.

Methods: Two patients of FEME that demonstrate cautionary radiologic findings in relation to the ACAs and anterior fossa anatomy are discussed.

Results: The ACA in a 4-year-old boy with FEME was displaced anteriorly with the long A1 segments that extend into the defect. In the 2nd patient, a 4-year-old girl, we report on the complications related to the injury of ACAs from a previously partially resected FEME.

Conclusion: The importance of the anterior cerebral vasculature around the FEME during surgery is crucial to prevent complications resulting from damage to a looping A1 segment of the ACA.

Australian Craniofacial Unit, Women's and Children's Hospital, Adelaide, Australia.

Address correspondence and reprint requests to Dr Vani Prasad, MBBS, FRACS, Australian Craniofacial Unit, Level 1, 72 King William Street, North Adelaide, SA 5006, Australia; E-mail: drvaniprasad@yahoo.com

Received 24 August, 2017

Accepted 31 October, 2018

The authors report no conflicts of interest.

© 2019 by Mutaz B. Habal, MD.