Abstract
Giant occipital encephaloceles rarely contain large amounts of neural tissue that cannot be replaced in the abnormally small calvarium. Resection of neural elements is therefore often necessary in order to accomplish a closure. A technique is described wherein an extracranial compartment is prepared utilizing fine tantalum mesh to enclose the neural contents. The mesh is attached to the periphery of the skull defect providing a rigid extracranial compartment for the encephalocele. As intracranial pressure increases, the calvarium is forced to expand. The tantalum mesh is gradually imbricated into the calvarium by daily digital compression. If ventriculomegaly occurs, an interval ventriculoperitoneal shunt is placed. The encephalocele repair is reopened and the tantalum is surgically imbricated at that time. This allows for a satisfactory cosmetic result with preservation of all neural elements.
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References
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Gallo, A.E. Repair of giant occipital encephaloceles with microcephaly secondary to massive brain herniation. Child's Nerv Syst 8, 229–230 (1992). https://doi.org/10.1007/BF00262854
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DOI: https://doi.org/10.1007/BF00262854