Embolization of CSF-venous fistula for syrinx resolution in acquired Chiari malformation: illustrative case
BACKGROUND Chiari malformation type I (CM-I) shares some overlapping radiological and clinical features of spontaneous intracranial hypotension (SIH). Recent work has recognized CSF-venous fistula (CVF) as an underdiagnosed cause of SIH. The authors present a case of presumed CM-I with tonsillar descent and syrinx that...