Rett syndrome prior to developmental arrest

At six months of age, this girl with RTT appears normal and has animated facial expression.

Reproduced with permission from: Glaze DG, Schultz RJ. Rett syndrome: meeting the challenge of this gender-specific neurodevelopmental disorder. Medscape Women's Health 1997; 2. Copyright © 1997 Medscape.

Graphic 53558 Version 4.0