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Published on: May 7, 2017
Expansile cranioplasty for massive occipital encephalocele
Aaron Mohanty1, Arundhati Biswas, Madhusudan Reddy
1Departments of Neurosurgery, National Institute of Mental Health and Neurosciences, Bangalore, India. aarmohanty@yahoo.com
Insights
This study presents a surgical approach for managing giant occipital encephaloceles, preserving brain tissue through expansile cranioplasty. This method reconstructs the skull defect using autologous bone grafts for improved outcomes in pediatric neurosurgery.
Area of Science:
- Pediatric Neurosurgery
- Craniofacial Surgery
- Developmental Neuroscience
Background:
- Occipital encephaloceles are rare congenital abnormalities.
- Massive encephaloceles pose significant management challenges due to large herniated brain volumes.
Observation:
- Two pediatric cases of giant occipital encephaloceles with substantial cortical herniation were analyzed.
- The surgical technique involved expansile cranioplasty and autologous bone grafting.
Findings:
- Successful preservation of herniated brain parenchyma was achieved in both cases.
- Reconstruction of the calvarial defect using autologous bone grafts from the parietal region was effective.
Implications:
- This approach supports the preservation of potentially functional brain tissue in massive occipital encephaloceles.
- Expansile cranioplasty offers a viable reconstructive option for complex skull defects in pediatric neurosurgery.
Objective:
This report highlights the management of infrequently encountered massive occipital encephaloceles with herniation of large amount of apparently functional cortex into the encephalocele sac.
Materials And Methods:
Two children with giant occipital encephaloceles with herniation of significant brain parenchyma into the encephalocele sac were managed with expansile cranioplasty and reconstruction of the calvarial defect with autologus bone graft harvested from the adjacent parietal region.
Conclusions:
Giant occipital encephaloceles with significant brain parenchyma in the encephalocele sac can be considered for preservation of the herniated parenchyma and expansile cranioplasty.

