ISSN 2398-2969      

Radiography: digital

Clapis

Synonym(s): Digital radiography, Computed radiography (CR), Indirect digital radiography, Direct digital radiography (DDR)


Introduction

  • Conventional X-ray film has an intrinsically high resolution exceeding that of many digital systems.
  • Despite this digital radiography has superseded conventional radiography in many hospital departments.
  • Disadvantages associated with conventional film-based radiography may include difficulty or impossibility to correctly expose all areas on a radiograph. A darkroom and chemicals are required to process the radiographs and exposure problems and film faults are common. Film is also bulky to store and radiographs are easily lost and difficult to distribute.
  • Digital imaging systems were developed in the early 1980s to overcome some of the problems associated with conventional film-based systems.

Advantages

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Disadvantages

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Digital radiography systems

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Exposure

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Image quality

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Image processing

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Ewers R S & Hofmann-Parisot M (2000) Assessment of the quality of radiographs in 44 veterinary clinics in Great Britain. Vet Rec 147 (1), 7-11 PubMed.
  • Bansall G J (2006) Digital radiography, a comparison with modern conventional imaging. Postgrad Med J 82 (969), 425-428 PubMed.

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