Abstract
Introduction Corpus callosum (CC) connects the left and right cerebral hemispheres. It is the largest white matter structure in the brain connecting mainly homotopic, as well as heterotopic, brain areas of both hemispheres. It has a major role in everyday behavior. Agenesis of CC can occur as isolated finding on MRI, or more commonly, it is associated with large number of brain anomalies. Patients and methods Neuropsychological and genetic assessment was done for 64 cases with corpus callosum abnormalities, whose age ranged from 6 months to 11 years and 9 months, with a mean age of 3 years and 6 months. This study was done from January 2012 till December 2014. Results Overall, 12.5% of the cases had chromosomal aberrations, 14% of the cases had identified genetic syndrome, and 73% of the cases were nonsyndromic/unclassified. Variable degrees of mental subnormality were encountered among 58 (92.2%) of 64 studied patients. Conclusion Abnormalities of the CC are often associated with cognitive deficits, autism, and epilepsy.
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