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Mental Retardation: A Mri Study Of 146 Brazilian Children, Armando F. Rocha, Cláudia C. Leite, Fábio T. Rocha
Mental Retardation: A Mri Study Of 146 Brazilian Children, Armando F. Rocha, Cláudia C. Leite, Fábio T. Rocha
Armando F Rocha
We report results of a magnetic ressonance imaging (MRI) study of 146 Brazilian children, whose intelligence quotient scored less than 70. 50% of MRI examinations did not exhibit any signal of structural lesion (N group), whereas a focal thinning at the junction of the body and splenium of the corpus callosum; ventricular asymmetry; periventricular leukomalacia; gliosis and arachnoid cysts were among the most frequent findings in the remaining of subjects (L group). Maternal stress and altered blood pre ss u re were the most frequent findings in the pre-natal history of both N and L children. Familial antecedents of mental …