The affected person seeks unnecessary medical attention -- often including repeated surgery. Patients usually travel widely and tell false stories. They may use trickery to produce symptomatic indications of illness or conditions. Part of the attraction for medical treatment is the care and attention they receive. Another is that being ill carries other tangible gains, such as sick leave from work.
One woman in the UK had national health medical treatment estimated at £500,000, including 42 unnecessary operations on her stomach. A man convinced 23 hospitals that he had a kidney stone by putting a pebble under his back when he went for X-rays.
Those who feign sick are really sick after all: they are suffering from the psychiatric disorder of pathological lying. The pretenders are generally misdiagnosed: they are sent for surgery when they should be sent for psychiatry.