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Radiol. bras ; 36(5): 311-316, set.-out. 2003. ilus, tab
Article in Portuguese | LILACS | ID: lil-351429

ABSTRACT

O termo disgenesia do corpo caloso refere-se a uma má-formação deste com origem na embriogênese do telencéfalo. O relato analisa os achados de tomografia computadorizada e ressonância magnética em 11 pacientes com disgenesia calosa e em um caso de corpo caloso normal com lipoma associado. Esta pode ser distinguida em três grupos: agenesia total (três casos), agenesia parcial (seis casos) e hipoplasia (dois casos). Anomalias associadas foram observadas em nove casos, incluindo má-formação de Chiari tipo II (um caso), esquizencefalia (um caso), cisto inter-hemisférico (dois casos), heterotopia nodular (um caso), cisto de Dandy-Walker (um caso) e lipoma do corpo caloso (quatro casos). Este artigo demonstra um espectro destes distúrbios, auxiliando na sua interpretação diagnóstica.


Callosal dysgenesis is a malformation of the corpus callosum with origins in the embryogenesis of the telencephalon. We reviewed the computed tomography and magnetic resonance imaging findings of 11 patients with callosal dysgenesis and one patient with normal corpus callosum associated with a lipoma. The patients were divided into three distinct groups: total agenesis (three patients), partial agenesis (six patients) and hypoplasia (two patients). Associated abnormalities were observed in nine patients, including Chiari II malformation (one patient), schizencephaly (one patient), interhemispheric cyst (two patients), Dandy-Walker cyst (one patient), nodular heterotopy (one patient) and lipoma of the corpus callosum (four patients). This paper presents a review that may contribute to the diagnosis of these disorders


Subject(s)
Humans , Male , Female , Infant , Child, Preschool , Child , Adolescent , Adult , Middle Aged , Corpus Callosum , Corpus Callosum/abnormalities , Corpus Callosum , Lipoma , Corpus Callosum/embryology , Magnetic Resonance Spectroscopy , Retrospective Studies , Tomography, X-Ray Computed
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