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  • Author or Editor: Matthew R. Reynolds x
  • Journal of Neurosurgery: Pediatrics x
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Matthew R. Reynolds, Spiros L. Blackburn and Matthew D. Smyth

The authors present the case of a 3-year-old child with Kleeblattschädel, or cloverleaf skull deformity, and a Chiari malformation Type I who developed an ossified pseudomeningocele after posterior fossa decompression. To their knowledge, this is the first report of a postoperative ossified pseudomeningocele in a patient with Kleeblattschädel and the only case of an ossified pseudomeningocele located outside the lumbosacral region. A genetic basis for the ossification process seems likely given the child's history of premature cranial suture closure. The authors draw attention to this rare complication and review the available body of literature on this topic.

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Rory K. J. Murphy, Matthew R. Reynolds, David B. Mansur and Matthew D. Smyth

Cavernous sinus (CS) hemangiomas are rare vascular abnormalities that constitute 0.4%–2% of all lesions within the CS. Cavernous sinus hemangiomas are high-flow vascular tumors that tend to hemorrhage profusely during resection, leading to incomplete resection and high morbidity and mortality. While Gamma Knife surgery (GKS) has proven to be an effective treatment of CS hemangiomas in the adult population, few reports of GKS for treatment of CS hemangiomas exist in the pediatric literature. Here, the authors present the first case of a 15-year-old girl with a biopsy-proven CS hemangioma who achieved complete resolution of her symptoms and a complete imaging-defined response following GKS. If suspicion for a CS hemangioma is high in a pediatric patient, GKS may be considered as an effective treatment modality, thus avoiding the morbidities of open resection.