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CT and MR patterns of hypoxic ischemic brain damage following perinatal asphyxia
A Gururaj1, L Sztriha, A Dawodu
1Department of Paediatrics, Faculty of Medicine, Al Ain Hospital, United Arab Emirates. GururajA@uaeu.ac.ae
Insights
This study links cerebral palsy (CP) types to brain imaging findings. Radiological abnormalities correlate with neurological deficits in most CP types, aiding in understanding lesion pathology.
Area of Science:
- Neurology
- Pediatrics
- Radiology
Background:
- Cerebral palsy (CP) presents with diverse clinical and neurological manifestations.
- Understanding the underlying brain abnormalities is crucial for diagnosis and management.
- Radiological imaging plays a key role in identifying structural brain changes in CP.
Purpose of the Study:
- To investigate clinical and neurological abnormalities in children with cerebral palsy.
- To correlate neurological signs with radiological findings from CT scans and/or MRI.
- To explore associations between perinatal history, gestational age, and imaging results.
Main Methods:
- A prospective, hospital-based study of 65 children diagnosed with cerebral palsy.
- Neurological examinations and review of perinatal histories.
- Analysis of cranial CT scans and/or MRI for brain abnormalities.
Main Results:
- Spastic diplegia, common in preterm infants, correlated with periventricular leucomalacia.
- Hemiplegia was associated with unilateral brain lesions.
- Extrapyramidal CP in term infants showed basal ganglia abnormalities; ataxic CP showed no significant imaging correlation.
Conclusions:
- Radiological findings closely correlate with CP type and neurological deficits, except in the ataxic type.
- CT and MRI imaging are valuable tools for understanding CP pathology and lesion timing.
- Imaging aids in characterizing brain damage patterns associated with different cerebral palsy subtypes.
Abstract:
The objectives were to study the clinical and neurological abnormalities in children with cerebral palsy and to attempt to correlate the signs with radiological abnormalities detected by CT scan and/or MRI of the brain. In a prospective, hospital-based study, 65 children with cerebral palsy were examined neurologically and their perinatal history was reviewed. Their cranial CT scan, and/or magnetic resonance images were studied. The association between the gestational ages, perinatal history, neurological deficits, and the radiological appearances were studied. Of the 24 preterm-born and 41 term-born children, 23 had spastic diplegia; 57 per cent of these children has significant periventricular leucomalacia, which was more common among preterm-born children. Of the 13 children with hemiplegia, 12 had unilateral lesions on neuroimaging. Spastic tetraplegia was associated with extensive, bilateral, diffuse brain damage. Extrapyramidal cerebral palsy was far more common among term-born infants and 80 per cent of these showed significant abnormalities in the basal ganglia region. Ataxic cerebral palsy was an uncommon variety and there was no significant correlation between neurological signs and abnormalities on brain imaging. In conclusion, the radiological findings were closely related to the type of cerebral palsy and the neurological deficit except in the ataxic type. We believe that CT and MRI imaging are helpful in understanding the pathology and the timing of the lesion in cerebral palsy.