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[Associated brain anomalies and clinical findings in corpus callosum dysgenesis].

PURPOSE
The aim of this study was to evaluate the relationship between the types of the corpus callosum dysgenesis, the associated brain anomalies and clinical findings.


MATERIALS AND METHODS
We analyzed the MR imaging findings in 169 patients with callosal dysgenesis. Corpus callosum dysgenesis was categorized into agenesis, hypogenesis and hypoplasia. The associated brain anomalies and clinical findings were evaluated.


RESULTS
Associated brain anomalies were observed in 148 patients (87.5%). Twenty-one patients (12.4%) had isolated corpus callosum dysgenesis. Dysgenesis included agenesis in 22 (%13), hypogenesis in 46 (27.2%), and hypoplasia in 101 (59.7%) patients. The clinical findings were most commonly observed in patients with hypoplasia.


CONCLUSION
The presence of corpus callosum dysgenesis is a strong indication of possible associated brain anomalies. Corpus callosum dysgenesis and associated brain anomalies should be investigated in children with developmental delay, seizures and microcephaly.