DESCRIPTION

A 15-month-old monozygotic twin infant girl with a history of intrauterine growth retardation was admitted to hospital for an acute diarrhoea syndrome. Physical examination revealed asymmetry of the lower and upper limbs for length and width (fig 1A). Other findings included a small triangular face with frontal bossing, lips with downturned corners, micrognathia, and clinodactyly of the fifth finger on both hands (fig …