During an X-ray examination the pathological anatomical alterations of a given organ or, in other cases, its deviations of movement or location or its functional disorders can be confirmed. An X-ray examination has to be carried out if it is expected to promote the diagnostic work. For the exclusion of certain diseases negative findings can also mean an important result. The X-ray screening of seemingly healthy people for security purposes can be carried out only by simple and quick methods associated with a low radiation load.