Acute hemiparesis in a child as a presenting symptom of hemispheric cerebral proliferative angiopathy

J J Gold1, J R Crawford

  • 1Division of Child Neurology, Department of Neurosciences, University of California, San Diego and Rady Children's Hospital, 8010 Frost Street, Suite 400, San Diego, CA 92123, USA.

Insights

A pediatric case of cerebral proliferative angiopathy presented with stroke-like symptoms including headaches and unsteadiness. Prompt diagnosis and management led to complete symptom resolution within 24 hours, highlighting this rare condition.

Area of Science:

  • Neurology
  • Vascular Malformations
  • Pediatric Neurology

Background:

  • Cerebral proliferative angiopathy (CPA) is a rare vascular malformation.
  • It is distinct from classic arteriovenous malformations (AVMs).
  • CPA can present with stroke-like symptoms in children.

Purpose of the Study:

  • To report a case of cerebral proliferative angiopathy in a child.
  • To describe the diagnostic process and clinical presentation.
  • To emphasize the importance of recognizing CPA as a differential diagnosis in pediatric stroke mimics.

Main Methods:

  • A 9-year-old girl presented with worsening headaches and unsteadiness.
  • Neurologic examination revealed right hemiparesis and right homonymous hemianopsia.
  • Imaging studies including CT, CT angiogram, and MRI were performed.

Main Results:

  • CT showed an engorged sagittal and straight sinus with prominent cortical veins.
  • CT angiogram confirmed a left hemispheric vascular malformation consistent with CPA.
  • MRI showed no evidence of infarct, and symptoms resolved within 24 hours.

Conclusions:

  • Cerebral proliferative angiopathy can mimic other neurological emergencies in children.
  • Early diagnosis through advanced imaging is crucial.
  • Prompt management can lead to rapid symptom resolution.

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