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Digital imaging and picture archiving and communication systems.

J Lissner1, U Fink

  • 1University of Munich, Germany.

Current Opinion in Radiology
|April 1, 1991
PubMed
Summary

Digital radiography advances chest imaging, improving calcified lung nodule detection with dual-energy techniques. While computed radiography is useful, advanced digital methods enhance diagnosis for conditions like interstitial lung disease and scoliosis.

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Area of Science:

  • Radiology and Medical Imaging
  • Digital Health Technologies

Background:

  • Digital imaging, particularly computed radiography, has significantly advanced chest imaging.
  • Computed radiography is widely used in intensive care units but has limitations in detecting subtle pulmonary interstitial disease.

Purpose of the Study:

  • To review progress in digital imaging of the chest.
  • To highlight advancements in computed radiography and dual-energy techniques.
  • To discuss the implementation and cost-effectiveness of Picture Archiving and Communication Systems (PACS) and teleradiology.

Main Methods:

  • Review of current digital radiography techniques, including computed radiography and single-exposure dual-energy imaging.
  • Discussion of technical innovations such as gadolinium prefiltration, advanced phosphor plates, scatter correction, and noise reduction algorithms.
  • Analysis of data compression algorithms and the integration of Picture Archiving and Communication Systems (PACS).

Main Results:

  • Computed radiography offers high-quality images but is less sensitive for subtle interstitial lung disease.
  • Simplified single-exposure dual-energy techniques show improved detection of calcified lung nodules.
  • Digital radiography demonstrates encouraging results in evaluating scoliosis and musculoskeletal abnormalities.
  • Advanced digital imaging methods incorporate innovations for enhanced image quality and data management.

Conclusions:

  • Digital radiography, especially dual-energy techniques, offers significant advantages for chest imaging and other applications.
  • Picture Archiving and Communication Systems (PACS) implementation is inevitable and cost-effective in the long term.
  • Teleradiology enhances radiologic consultation for remote areas, improving patient management.

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