Patient's question:
Female, four years old, cannot speak clearly, slow reaction, visited Harbin Medical UniversityDoctor's answer:
The main clinical features of the patient are intellectual disability, delayed physical development, and a distinctive facial appearance, which may also be accompanied by multiple malformations. Currently, there is no effective treatment for this disease, and long-term patient education and training should be provided for the child. Preventing infectious diseases and various communicable diseases, as well as early use of oral vitamin B6, r-tyrosine, folic acid, etc., can help improve function.