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Magnetic resonance imaging in athetotic cerebral palsied children
1Department of Pediatric Neurology, Seirei-Mikatabara General Hospital, Hamamatsu, Japan.
Insights
Magnetic resonance imaging (MRI) revealed brain lesions in children with athetotic cerebral palsy, often linked to perinatal asphyxia. These lesions in areas like the thalamus and basal ganglia correlate with motor abnormalities.
Area of Science:
- Neuroimaging
- Pediatric Neurology
- Cerebral Palsy Research
Background:
- Athetotic cerebral palsy (CP) is a movement disorder.
- Understanding the neuroimaging correlates of athetotic CP is crucial for diagnosis and management.
Purpose of the Study:
- To investigate magnetic resonance (MR) findings in children diagnosed with athetotic cerebral palsy.
- To explore the association between specific brain lesions and potential predisposing conditions, such as perinatal asphyxia.
Main Methods:
- Retrospective analysis of magnetic resonance imaging (MRI) scans from 22 children with athetotic cerebral palsy.
- Correlation of imaging findings with clinical history, including perinatal events.
Main Results:
- Abnormal MR findings were observed in 15 out of 22 children.
- Symmetrical high-intensity areas on T2-weighted images were noted in the thalamus and/or putamen in 12 children.
- Lesions in the basal ganglia, thalamus, or cerebral white matter, potentially related to asphyxia, were found in 14 of 16 children with a history of perinatal asphyxia.
- No significant correlation was found between the severity of motor abnormality and the presence of lesions in the thalamus and putamen.
Conclusions:
- Magnetic resonance imaging is valuable in identifying brain abnormalities in children with athetotic cerebral palsy.
- Perinatal asphyxia appears to be a significant factor associated with specific brain lesions in this population.
- Further research is needed to fully elucidate the relationship between lesion location and clinical presentation in athetotic cerebral palsy.
Abstract:
The magnetic resonance findings in 22 children with athetotic cerebral palsy were studied. Sixteen had perinatal asphyxia, two had neonatal jaundice, and four had no association with predisposing conditions. In six of the children, symmetrical high intensity areas were found in both the thalamus and putamen in T2-weighted images. In five children they were seen only in the thalamus, and in another one only in the putamen. In six children, symmetrical periventricular high intensity areas were seen. In seven of the subjects, no abnormal magnetic resonance findings were seen. Magnetic resonance lesions, possibly caused by asphyxia, were found in the basal ganglia, thalamus and/or cerebral white matter in 14 of 16 children. Three children with lesions only in the cerebral white matter had mild motor abnormality, and six children with lesions in both the thalamus and putamen did not have mild abnormality.