Objective To investigate the relationship between the brain MRI and cerebral palsy (CP) types,gestational age,age and risky factors. Method All the 184 hospitalized CP cases were examined neurologically and their perinatal history were reviewed. Results MRI abnormalities were found in 163 of the 184 cases and abnormal rates of spastic diplegia,tetraplegia,hemiplegia,athetosis,hypotonia,ataxia and mixed were 82.1%,100%,100%,80.0%,80.6%,100% and 81.8%,respectively.Spastic tetraplegia was associated with extensive,bilateral,diffuse brain damage.38 of 55(69.1%) children with spastic diplegia had significant periventricular leukomalacia(PVL).Of the 20 children with hemiplegia,18 had unilateral lesions on neuroimaging.In different age groups,children less than 1 year of age had the highest rate of MRI abnormalities (93.6%),brain MRI abnormality rate decreased gradually with age.Risky factors in the higher rate of MRI abnormalities were:low birth weight,prematurity and hypoxia asphyxia. Conclusion MRI changes are closely related to CP types,gestational age,age and risky factors.
Key words
cerebral palsy /
magnetic resonance imaging /
gestational age /
age /
risky factors
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