[The effects of mechanical disturbances caused by additional body section roentgenographic equipment on the tomogram (author's transl)].

Attention was called to the false images which can appear if additional body section roentgenographic equipment is improperly operated. In practice, the alterations on the tomogram, however, are usually so slight that they are barely noticeable and, for this reason, the disturbances can be overlooked. Additional body section roentgenographic equipment should, therefore, be constructed in such a way that operational errors are basically impossible.