Abstract
ObjectiveTo present 16 patients with schizencephaly and neurological involvement, and analyse their characteristics and neuroimages. Material and methodsThe study included 16 patients, 8 males and 8 females, all of whom were diagnosed with schizencephaly at less than 3 years of age; 2 patients were diagnosed prenatally. Schizencephaly was identified by computerized tomography (CT) in 1 patient and by MR or three-dimensional MR (3DMR) with a 1.5tesla apparatus in the others. Most patients were referred for evaluation because of psychomotor delay, motor disabilities and/or seizures. ResultsFive patients had bilateral schizencephaly with open lips (2 of them had suffered intrauterine cytomegalovirus infections); 2 showed unilateral schizencephaly with separated lips, 8 presented unilateral schizencephaly with fused lips, and 1 had schizencephaly with open lips on one side and fused lips on the other. Prenatal cytomegalovirus infection was diagnosed in 2 patients. A cerebral malformation that affected the midline was diagnosed by routine ultrasound studies in 2 patients. Eight patients (50%) presented with seizures that were focal, except for one patient who showed secondary generalisation. The latter was the only patient whose disease was refractory to complete seizure control with antiepileptic medication. All patients had some degree of motor deficit, which was either unilateral (hemiparesis) or bilateral (tetraparesis). Conclusion3D MR imaging was very important in diagnosing of schizencephaly in our patients because it showed the polymicrogyria that covered the area of the cleft and permitted us to rule out porencephaly. Neuronal migration disorders such as heterotopias and, more frequently, cortical dysplasias, were observed in several patients. Half of the patients had epilepsy which was controlled with antiepileptic medication, except in 1 patient.
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