In a previous paper mention was made of a girl with cyanotic congenital heart disease and a pulsatile tumour under the umbilicus (Astley and Parsons, 1953). This child died in Birmingham Children's Hospital in 1950, but the condition was thought to be a chance monstrosity until 1952, when Dr. Helen Taussig referred in a letter to another example of this condition. In 1955 both Dr. Catherine Nei...