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Unilateral movement disorder as a presenting sign of paediatric post-varicella angiopathy
Marcel M M Bulder1, Robert ten Houten, Catharina J M Klijn
1Department of Neurology, UMC Utrecht, Utrecht, The Netherlands. M.M.M.Bulder@umcutrecht.nl
Insights
Diagnosing childhood ischaemic stroke can be challenging. Post-varicella angiopathy (PVA) is a common cause, even without a recent rash, and requires prompt medical history review and imaging for early detection and treatment.
Area of Science:
- Neurology
- Pediatrics
- Vascular Neurology
Background:
- Childhood ischaemic stroke diagnosis presents significant challenges.
- Post-varicella angiopathy (PVA) is a recognized and frequent cause of stroke in children.
- PVA commonly affects the basal ganglia region of the brain.
Observation:
- Children presenting with unilateral involuntary movements may have cerebral infarction.
- PVA should be considered in the differential diagnosis of childhood stroke.
- Normal cerebrospinal fluid and absence of a recent rash do not exclude PVA.
Findings:
- Medical history is crucial for identifying potential PVA cases.
- Intracranial vascular imaging aids in the early diagnosis of PVA.
- Prompt diagnosis facilitates timely and effective treatment strategies.
Implications:
- Early recognition of PVA can prevent long-term neurological deficits in children.
- Understanding PVA's presentation improves diagnostic accuracy for pediatric stroke.
- This highlights the importance of considering PVA in pediatric neurology evaluations.
Abstract:
Diagnosing ischaemic stroke in children is often difficult. Post-varicella angiopathy (PVA) is a well-recognised and frequent cause of childhood ischaemic stroke, particularly affecting the basal ganglia. When a previously healthy child presents with unilateral abnormal involuntary movements, cerebral infarction should be included in the differential diagnosis and PVA should be considered, even when there is no recent history of rash and cerebrospinal fluid is normal. Medical history and intracranial vascular imaging are important for early diagnosis and treatment.
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