The unintentional transformation of a patient's story over time, frequently resulting in unnecessary diagnostic tests or unneeded dangerous treatments. The causes are multiple, but usually a result of too many novice history takers guiding and coaching the patent's answers.
1. This guy came to clinic to get a return to work note and ended up getting a CT scan, MRI, and 3 spinal taps due to mutatiofabulation.
Explanation: A man has a slight cold and calls in sick to work. He feels well by the afternoon and decides to paint the ceiling, which causes a stiff neck. When he goes to clinic to get a note the story becomes distorted and he gets workep-up for meningitis.