How baby’s head size led to rare medical diagnosis

Conor O'Rourke, now three, was diagnosed with an extremely rare birth defect known as vein of galen malformation (VOGM) in 2023 - (Lucy O'Rourke/PA Wire)

A baby boy has been successfully treated for a one-in-a-million brain condition using a pioneering surgical technique, after doctors spotted the rare illness during an unrelated check-up.

Conor O’Rourke, now aged three, underwent the world-first procedure for Vein of Galen Malformation (VOGM) at Alder Hey Children’s Hospital in Liverpool.