Pediatric Amsterdam dwarf

Amsterdam-type dwarf is de Lange I syndrome, also known as Amsterdam syndrome, Brachmann-de Lange syndrome, Cornelia de Lange I syndrome, etc., is a congenital abnormal disease, mainly manifested in children with short dwarf, often below 120 cm , Accompanied by special features such as thick eyebrows, small head and mental retardation, limb developmental disorders, multiple deformities, gastrointestinal abnormalities, etc.