Moyamoya disease in a child with previous acute necrotizing encephalopathy
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Published on: June 22, 2022
Taik-Kun Kim1, Baik-Lin Eun, Sang Hoon Cha
1Department of Diagnostic Radiology, Korea University College of Medicine, Ansan Hospital, 516 Kojan-Dong, Ansan City, Kyungki-Do 425-020, Korea. myrmidon@freechal.com
Abstract:
A previously healthy 24-day-old boy presented with a 2-day history of fever and had a convulsion on the day of admission. MRI showed abnormal signal in the thalami, caudate nuclei and central white matter. Acute necrotising encephalopathy was diagnosed, other causes having been excluded after biochemical and haematological analysis of blood, urine and CSF. He recovered, but with spastic quadriparesis. At the age of 28 months, he suffered sudden deterioration of consciousness and motor weakness of his right limbs. MRI was consistent with an acute cerebrovascular accident. Angiography showed bilateral middle cerebral artery stenosis or frank occlusion with numerous lenticulostriate collateral vessels consistent with moyamoya disease.
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