Doctor’s comment about head size led to one in a million diagnosis for baby boy

Lucy O’Rourke with her son Conor O’Rourke, 3, who was diagnosed with a one in a million condition after a consultant made a comment about the size of his head at an appointment for an unrelated condition. He had world-first surgery at Alder Hey Children’s Hospital in Liverpool in March and has since recovered well. He is pictured recently graduating from nursery and will attend pre-school with his peers in September (Lucy O’Rourke/PA) - (Lucy O'Rourke)

A baby boy was diagnosed with a one in a million condition after a doctor commented on the size of his head during an appointment for an unrelated issue.

Conor O’Rourke, now three, was treated for vein of galen malformation (VOGM) with a new surgical technique by specialists at Alder Hey Children’s Hospital in Liverpool in what is thought to be a world-first.