Transcranial cerebellar herniation following craniotomy: Case report and literature review
Irene Panero Pérez1, Carla Eiriz Fernández1, Daniel García Pérez1
1Department of Neurosurgery, 12 de Octubre University Hospital, Av. De Córdoba s/n, 28041 Madrid, Spain.
Abstract:
To report a case of post-surgical encephalocele through craniotomy burr holes following the resection of a meningioma of the posterior fossa. A 49-year-old female presented in the emergency room with cephalea. The MRI showed a meningioma of the convexity of the posterior fossa. A resection was performed and the bone flap replaced. The patient recovered uneventfully and was discharged. After 30 days the patient consulted referring cephalea, vomiting and imbalance. Brain MRI revealed a trans-cranial cerebellar herniation through the craniotomy burr holes. An urgent surgery was performed to repair the encephalocele. Post-surgical brain MRI was performed and did not show complications. Post-surgical encephalocele is an uncommon complication after the resection of a posterior fossa lesion. To avoid this complication, it is recommended thorough dural and bony closure, particularly in the posterior fossa surgeries and in high-risk patients.
Insights
A rare complication called post-surgical encephalocele can occur after posterior fossa meningioma resection. This case highlights the importance of meticulous surgical closure to prevent cerebellar herniation through burr holes.
Area of Science:
- Neurosurgery
- Neurology
- Radiology
Background:
- Posterior fossa meningiomas are tumors requiring surgical resection.
- Craniotomy with bone flap replacement is a standard surgical approach.
- Post-surgical complications, though uncommon, require careful consideration.
Observation:
- A 49-year-old female presented with symptoms of cephalea, vomiting, and imbalance 30 days post-craniotomy.
- Brain MRI revealed a trans-cranial cerebellar herniation through the craniotomy burr holes.
- The patient had previously undergone resection of a posterior fossa meningioma.
Findings:
- Post-surgical encephalocele is an uncommon complication following posterior fossa lesion resection.
- Cerebellar herniation occurred through the craniotomy burr holes.
- The encephalocele was successfully repaired via urgent surgery.
Implications:
- Thorough dural and bony closure is crucial, especially in posterior fossa surgeries.
- High-risk patients may benefit from enhanced preventative measures.
- Early recognition and surgical intervention are key for managing post-surgical encephalocele.
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