Despite the fact that CT (computer tomography) or MRI (magnetic resonance imaging) generally provides more information on the ossal structures and soft tissues, conventional x-rays do have a number of benefits. An x-ray is a relatively quick, non-expensive and non-invasive technique. A chest x-ray, for example, can quickly provide much useful information in the trauma center. Also think of imaging prostheses/osteosynthesis material, which frequently generate undesired artifacts in CT and MRI.
In order to assess an x-ray, it is important that the radiologist receive adequate information about the patient and the request. Relevant history (surgery/treatments and malignancies in particular), relevant clinical information (including fever, location of pain symptoms and trauma mechanism) and a specific and clear request are essential to an adequate radiologic assessment. Without the above, certain findings on the x-ray may be interpreted incorrectly. Additionally, it always helps for the radiologist to be directed to the actual problem in order for him/her to pay specific attention to this (especially if there are subtle abnormalities).