He said: “Prydden was immediately suspended from duty and was dismissed on January 21, 2008, following an internal investigation, a police investigation and a court hearing.

“The Trust takes its responsibilities for the safety and well-being of children and young people extremely seriously and takes enhanced measures to ensure that all staff working with children or vulnerable adults are fully screened through a rigorous pre-employment screening process.

“Additionally, employees are required to make an annual declaration in relation to criminal convictions or police cautions.”

At the hearing, Prydden said that he had adequately explained the radiology procedures to the 11-year-old patient.

Since the patient was moving, he said he had to reposition or recheck the patient for his third X-ray.

He denied any misconduct or lack of competence.

But the panel disagreed and he was struck off the HPC Register for behaving inappropriately and abusing a position of trust as a Scout Leader, failing to communicate effectively with a patient, and failing to follow accepted practice while working for Alder Hey.

There will also be an 18-month interim suspension order to cover the appeal process.