Hemichorea as a Manifestation of Isolated Insular Infarction Successfully Treated with Mechanical Thrombectomy.

ABSTRACT: Stroke-associated hyperkinetic movements are most often linked to basal ganglia lesions, while cortical or insular involvement is rarely reported. Hemichorea is an uncommon manifestation of acute ischemic stroke and may pose diagnostic and therapeutic challenges. We report the case of an 81-year-old woman presenting with acute Broca-type aphasia and left hemibody choreic movements. Initial computed tomography (CT)/computed tomography angiography revealed an occlusion of the right M2 segment of the middle cerebral artery. Perfusion imaging showed a significant ischemic penumbra without established infarction. Mechanical thrombectomy, performed eight hours after symptom onset, achieved complete reperfusion (Thrombolysis in Cerebral Infarction grade 3). Within 24 hours, aphasia resolved, and

SUBMITTER: Romozzi M 

PROVIDER: S-EPMC12697618 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature