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A Pediatric Case of Middle Cerebral Artery Dissection With Delayed Morphological Changes
Noriaki Tanabe1, Terushige Toyooka1, Arumu Endo1
1Department of Neurosurgery, National Defense Medical College, Tokorozawa, JPN.
Cureus
|June 21, 2024
Summary
Middle cerebral artery dissection (MCAD) in a child showed worsening vessel changes on imaging over months, despite no new symptoms or antithrombotic treatment. Serial imaging is crucial for monitoring pediatric intracranial artery dissections.
Area of Science:
- Neurology
- Pediatric Neurology
- Vascular Neurology
Background:
- Middle cerebral artery dissection (MCAD) is a rare condition with unclear treatment guidelines and prognosis.
- Pediatric intracranial artery dissection (IAD) often lacks typical symptoms like headache or neck pain.
Observation:
- A case of a five-year-old boy with right hemiplegia due to MCAD and perforating artery infarction was reported.
- Initial MRI revealed left basal ganglia diffusion restriction, with MRA showing irregular left middle cerebral artery walls.
- Follow-up MRA after three months indicated progressive stenosis without new ischemic lesions.
Findings:
- Radiographic findings demonstrated progression of arterial stenosis despite conservative management without antithrombotic therapy.
- MCAD can lead to significant, long-term morphological changes in cerebral artery walls.
- Pediatric IAD requires vigilant monitoring due to potential for asymptomatic progression.
Implications:
- Serial imaging is essential for monitoring disease progression in pediatric intracranial artery dissection.
- The findings highlight the dynamic nature of vessel wall morphology in MCAD over time.
- This case underscores the importance of advanced imaging in diagnosing and managing pediatric cerebrovascular diseases.
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