1. A diagnostic system for forming at least one image of an object having enhanced contrast, the system comprising: a beam source adapted to produce an imaging beam; a masking member adapted to form at least one beam portion from said imaging beam and adapted to image the object; and a flat panel detector positioned in a path of at least one beam portion penetrating the object and adapted to form at least one image of the object, wherein said flat panel detector comprises first and second active detection lines, said first active detection lines configured to detect direct radiation, and said second active detection lines configured to measure scatter.