Study of EEG and CT Scan in Neurologically Normal Cases of Focal Convulsions

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Abstract
Twenty-three neurologically normal children with focal convulsions were studied with EEG and CT scan. Thirty-five per cent had an abnormal CT scan. Lesions of potential therapeutic significance were seen in 30 per cent of all scans. Abnormalities detected on CT scans were as follows: tuberculomas, five cases; acute infarct, one case; gliosis, one case; multiple cortical cysts, one case. All the cases with intracranial tuberculomas were aged more than 5 years. A good correlation was found between the EEG and the CT scan findings. Maximum percentage (57 per cent) of CT scan abnormality was seen in cases exhibiting focal abnormality on EEG and minimum percentage in those with a normal EEG (18 per cent).