A former radiologist from Northern Ireland working at the Royal Belfast hospital tells the story that years ago, kitted up in leaden apron and gloves, he was conducting a radiographic examination of a woman's abdomen.
Finding that her clothing was causing some opacity on the fluorescent screen, he remarked, 'Would you pull down your knickers, please?'
The patient did nothing so he repeated the request. He then heard her say, 'I'm so sorry, doctor. I thought you were talking to the nurse.'