Article ; Online: Moyamoya Syndrome in an Infant with Aicardi-Goutières and Williams Syndromes: A Case Report.
2021 Volume 53, Issue 3, Page(s) 204–207
Abstract: Stroke in infancy is a rare phenomenon but can lead to significant long-term disability. We present the story of a 6-month-old Old Order Amish infant with underlying Williams syndrome, a rare neurodevelopmental disorder caused by a microdeletion, ... ...
| Abstract | Stroke in infancy is a rare phenomenon but can lead to significant long-term disability. We present the story of a 6-month-old Old Order Amish infant with underlying Williams syndrome, a rare neurodevelopmental disorder caused by a microdeletion, encompassing the elastin gene that produces abnormalities in elastic fibers of the lungs and vessels. This infant presented with lethargy, irritability, and a new-onset generalized tonic-clonic seizure. Brain magnetic resonance imaging (MRI) was consistent with ischemic stroke in the supratentorial regions. MR angiogram demonstrated bilateral narrowing of the internal carotid arteries with "ivy sign," suggestive of Moyamoya. Moyamoya disease/syndrome is a cerebrovascular condition that is associated with progressive stenosis of the intracranial vessels and can cause ischemic stroke in young children. Targeted mutation analysis revealed a homozygous c.1411-2A > G splice site variant in the SAMHD1 gene, consistent with a diagnosis of Aicardi-Goutières syndrome type 5 (AGS5), an autosomal recessive condition with multisystem involvement. In our unique case of infantile stroke with Moyamoya syndrome and dual diagnosis of Williams syndrome and AGS5, both diagnoses likely contributed to the cerebrovascular pathology. This case report highlights the importance of suspecting and testing for multiple genetic abnormalities in children presenting with Moyamoya-related stroke. |
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| MeSH term(s) | Abnormalities, Multiple/genetics ; Autoimmune Diseases of the Nervous System ; Child ; Child, Preschool ; Humans ; Infant ; Ischemic Stroke ; Moyamoya Disease/complications ; Moyamoya Disease/diagnostic imaging ; Moyamoya Disease/genetics ; Nervous System Malformations ; Stroke/complications ; Williams Syndrome/complications ; Williams Syndrome/genetics |
| Language | English |
| Publishing date | 2021-12-01 |
| Publishing country | Germany |
| Document type | Case Reports ; Journal Article |
| ZDB-ID | 573291-8 |
| ISSN | 1439-1899 ; 0174-304X |
| ISSN (online) | 1439-1899 |
| ISSN | 0174-304X |
| DOI | 10.1055/s-0041-1739131 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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