Urinary excretion of an abnormal amount of N-acetylaspartic acid has been evident in a 17-month-old child with an infantile picture of Canavan-van Bogaert disease. This observation makes it possible to consider the possibility of a simple biological diagnosis and confirms the existence of metabolic abnormalities which will probably permit to make rapid progress in the physiopathologic study of this disease.
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Échenne et al. (1989) studied this question.