Chiari's I malformation with hydrocephalus is commonly seen in clinical experience. Trigeminal neuralgia (TN) and hemifacial spasm (HFS) are most commonly related to vascular compression of the root entry/enter zone (REZ). Until now, TN and HFS associated with hydrocephalus caused by Chiari's malformation have not been reported. The patient was a 24-year old male with left HFS and ipsilateral TN. Arnold-Chiari's I malformation with hydrocephalus and platybasia were found in magnetic resonance imaging (MRI) of brain. We underwent a programmable ventriculoperitoneal shunt with complete resolution of all symptoms. This is the first report of one case only presenting as coexistent ipsilateral TN and HFS secondary to Chiari's I malformation with hydrocephalus.
Keywords: Chiari’s I malformation; Hemifacial spasm; Hydrocephalus; Trigeminal neuralgia.
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