Improvement of Hemichorea Following Surgical Resection of a Putaminal Cavernous Angioma: Case Report and Review of Literature.

Abstract

Hemichorea may point to a structural lesion in the contralateral basal ganglia with a large list of possible causes. Cavernous angioma may be rarely a possible cause for acute appearance of this movement disorder. We present a rare case of a 32-year-old female patient with hemichorea caused by a cavernoma (or cavernous angioma) in the contralateral insula and putamen with complete improvement of symptoms with surgical resection of the lesion. We believe that surgical resection of basal ganglia cavernomas may be feasible with minor risks and resolution of clinical symptoms in the immediate postoperative period.