[Letter: Child neurology--international view].
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Biomedical subjects
Publications and source records attributed to S Brandt.
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Three case histories are presented which are characterized by progressive, severe symptoms of mental and epileptic nature with EEG abnormalities of increasing severity culminating in "hypsarhythmia". The seizures were resistant to any treatment over a period of several months. Apparently spontaneous cures followed, and the patients remained healthy during follow-up, which ranged from 10 to 12 years. The observations confirm Lennox's remark that a miraculous cure may occasionally be expected in even severe, probably symptomatic, epilepsy. Some exogenous (infectious?) cause is suspected.
The clinical and laboratory findings in a 2 1/2-year-old boy with non-ketotic hyperglycinaemia are reported. Except for a somewhat impaired liver function there was a picture similar to the cases previously reported in the literature. The patient deviated from the classical description, however, in the excretion of large amounts of D-glyceric acid in the urine. The same compound was also repeatedly found in the serum. It is suggested that the large amounts of glycine found in various body fluids are secondary to a hitherto undescribed enzymatic defect in the degradation of D-glyceric acid.
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