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Morphology of cerebral lesions in children with congenital hemiplegia. A study with computed tomography
L M Wiklund1, P Uvebrant, O Flodmark
1Department of Diagnostic Radiology, University of Gothenburg, Sweden.
Insights
This study analyzed CT scans of children with congenital hemiplegia, finding periventricular atrophy in 42% and a notable 17% with maldevelopment, offering new insights into brain injury patterns.
Area of Science:
- Neurology
- Pediatrics
- Radiology
Background:
- Congenital hemiplegia is a significant neurological condition in children.
- Understanding the underlying brain pathologies is crucial for diagnosis and management.
- Previous studies have characterized brain abnormalities, but patterns may vary.
Purpose of the Study:
- To classify and analyze morphological findings in the brains of children with congenital hemiplegia using CT scans.
- To correlate specific CT findings with the presumed timing of brain insult during maturation.
- To identify the prevalence of different brain injury patterns in a population-based series.
Main Methods:
- Analysis of CT scan results from 111 children diagnosed with congenital hemiplegia.
- Classification of brain morphological findings into five distinct groups based on maturation phase.
- Categorization included maldevelopment, periventricular atrophy, cortical/subcortical atrophy, miscellaneous, and normal findings.
Main Results:
- Periventricular atrophy, indicative of hypoxic-ischemic insult, was the most common finding (42%).
- A significant proportion (17%) exhibited maldevelopment, contrasting with prior reports.
- Cortical/subcortical atrophy was observed in 12% of cases, with 26% showing no CT pathology.
Conclusions:
- Periventricular atrophy is the dominant CT finding in congenital hemiplegia, suggesting hypoxic-ischemic injury.
- The high prevalence of maldevelopment warrants further investigation into early developmental insults.
- CT imaging provides valuable classification of brain pathologies in congenital hemiplegia, aiding in understanding etiology.
Abstract:
This study has analysed the results of CT scans of the brains in children with congenital hemiplegia. The material consists of 111 out of a total of 151 children with this cerebral palsy syndrome in a population-based series. We have classified the morphological findings in five groups. The groups are designed to reflect the phase of maturation of the brain when the insult happened. The groups are: 1. Maldevelopment, 2. Periventricular atrophy, 3. Cortical-/subcortical atrophy, 4. Miscellaneous, 5. Normal. In contrast to previous reports we found a high proportion (17%) with maldevelopment. However the dominating morphological pattern was periventricular atrophy, consistent with a hypoxic-ischemic insult to the immature brain, seen in 42%. Cortical and/or subcortical atrophy was found in 12%. Three children (3%) presented with morphological patterns not possible to classify. The group with no pathology according to CT was 26%.