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Pulmonary infarction: sonographic appearance with pathologic correlation

G Mathis1, K Dirschmid

  • 1Department of Internal Medicine City Hospital of Hohenems, Austria.

European Journal of Radiology
|November 1, 1993
PubMed
Summary
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Transthoracic sonography effectively detects pulmonary infarction by comparing ultrasound images with pathological findings. This imaging technique is efficient for identifying both early and established stages of lung infarction.

Area of Science:

  • Medical Imaging
  • Pulmonology
  • Pathology

Background:

  • Peripheral pulmonary lesions can be detected using ultrasound.
  • Pulmonary embolism can lead to lung infarction.

Purpose of the Study:

  • To compare sonographic images of pulmonary infarctions with pathological reports.
  • To evaluate the efficacy of ultrasound in detecting lung infarcts.

Main Methods:

  • Sonographic examination of 26 lung infarcts in 15 autopsy lungs within 5 hours post-mortem.
  • Use of a 5- or 7.5-MHz sector scanner in a water bath.
  • Sonographic examination of five living patients with suspected pulmonary embolism.

Main Results:

  • Ultrasound revealed predominantly wedge-shaped, hypoechoic areas corresponding to pathological findings.

Related Experiment Videos

  • Fresh infarcts appeared homogeneous and hypoechoic; older infarcts showed central hyperechoic reflexes.
  • Ultrasound images from living patients resembled autopsy lung images.

    • Conclusions:

    • Transthoracic sonography is an efficient method for detecting pulmonary infarction.
    • Ultrasound can identify infarcts in both early and established stages.
    • Sonography shows promise in diagnosing lung infarction, correlating well with pathological data.