Six-month postoperative ultrasound examination demonstrating the median nerve (arrows) which is seen to deviate deep to the medial ossification centre at the level of the medial epicondyle where it is obscured by acoustic shadowing. There is focal hypoechogenicity of the median nerve just distal to this osseous tunnel consistent with intraneural oedema. The appearances are consistent with intraosseous type 2 median nerve entrapment.