Rett syndrome

Rett syndrome (RTT) is a severe neurodevelopmental disorder affecting the central nervous system.

Loss of speech



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PMID (PMCID)
2063999
FEMALE
A case of the Rett syndrome with acute encephalopathy induced during calcium hopantenate treatment.
Sasaki T, Minagawa M, Yamamoto T, Ichihashi H.
Brain Dev. 1991;13(1):52-5.
After this episode, she showed the rapid destructive stage of the Rett syndrome, i.e., severe psychomotor retardation with loss of speech, peculiar stereotypic hand movements, autistic behavior and seizures.