This article on digital radiography image acquisition is the first of two articles written as part of an intersociety effort to establish image quality standards for digital and computed radiography. The topic of the other paper is digital radiography image processing and display. The articles were developed collaboratively by the ACR, the American Association of Physicists in Medicine, and the...

Radiography is important in the diagnosis of osteoarthritis (OA) as the features described in the pathology of the disease can be visualised, with joint space narrowing generally thought to reflect cartilage loss.' Plain film radiography provides excellent detail of bony features but is generally poor at defining soft tissue structures, except with the help of an invasive procedure involving th...

Radiography using film has been an established method for imaging the internal organs of the body for over 100 years. Surveys carried out during the 1980s identified a wide range in patient doses showing that there was scope for dosage reduction in many hospitals. This paper discusses factors that need to be considered in optimising the performance of radiographic equipment. The most important ...