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  • Title: Hindbrain herniation: an unusual occurrence after shunting an intracranial arachnoid cyst. Case report.
    Author: Hassounah MI, Rahm BE.
    Journal: J Neurosurg; 1994 Jul; 81(1):126-9. PubMed ID: 8207514.
    Abstract:
    The case is presented of a prepontine arachnoid cyst in a 28-year-old woman. She was treated by craniotomy, stereotactic aspiration, internal shunting, and finally by insertion of a cystoperitoneal shunt. Eight months later she developed an asymptomatic Arnold-Chiari type I malformation. The pathogenesis of this unusual hindbrain herniation is explained on the basis of the differential pressure between two compartments and cephalocranial disproportion.
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