Basal Ganglia Stroke after Mild Traumatic Brain Injury in Mineralizing Lenticulostriate Vasculopathy

Abstract

Although the association between basal ganglia (BG) stroke and mild traumatic brain injury (TBI) is well recognized, its association with lenticulostriate vasculopathy has only recently been described. We present the case of a 6-month-old female infant without personal or familiar relevant records who presented with left-sided hemiparesis and without altered consciousness after a mild TBI. An emergency computed tomography (CT) scan of the brain revealed bilateral linear calcifications along the course of the lenticulostriate arteries. Brain magnetic resonance imaging (MRI) revealed an ischemic lesion in the right BG and damage to the posterior limb of the right internal capsule. A few months after the ischemic event, the patient was asymptomatic. Given the clinical, radiological, and evolutionary characteristics of this group of patients, the term mineralizing angiopathy is proposed to define a specific clinical-imaging syndrome in infants who suffer a BG stroke after a mild TBI and present with the calcification of the lenticulostriate arteries.

Keywords

cerebrovascular accident - basal ganglia - lenticulostriate vasculopathy - mild traumatic brain injury

Publication History

Received: 07 November 2022

Accepted: 29 December 2022

Article published online:
30 January 2023

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