Migrating pseudomeningocele causing posterior fossa syndrome

British Journal of Neurosurgery
Lars de JongFrank Weyns

Abstract

We present two cases of spontaneous intracerebellar migration of a pseudomeningocele. This is a rarely reported complication of posterior fossa surgery with possible life threatening cerebellar mass effect. The probable mechanism is a slow but progressive cerebrospinal fluid (CSF) movement (one-way valve mechanism) into the pseudomeningocele with secondary herniation or dissection through a weakened dura into the cerebellum causing progressive or acute cerebellar dysfunction. Evacuation and dural repair with or without CSF shunting or marsupialisation results in resolution of the symptoms.

References

Jul 1, 1974·Journal of Neurosurgery·P W CarmelB M Stein

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Citations

Dec 23, 2014·British Journal of Neurosurgery·Zerui Zhuang, Bin Liu
Apr 18, 2015·Surgical Neurology International·Jung-Ying Chiang, Hung-Lin Lin

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