Basic and recent applied technologies of ultrasound in the field of clinical diagnosis

This paper reviews the basic imaging methods available using ultrasonic diagnostic equipment, including the pulse-echo method, beamforming for improving image resolution, and harmonic imaging using the nonlinearity of ultrasonic waves. Further topics discussed include the use of the pulse Doppler me...

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Bibliographic Details
Published inAcoustical Science and Technology Vol. 41; no. 6; pp. 845 - 850
Main Author Akiyama, Iwaki
Format Journal Article
LanguageEnglish
Published Tokyo ACOUSTICAL SOCIETY OF JAPAN 01.11.2020
Japan Science and Technology Agency
Subjects
Beamforming
Blood flow
Contrast echo method
COVID-19
Diagnosis
Diagnostic systems
Flow measurement
Image contrast
Image resolution
Liver cancer
Medical imaging
Non-alcoholic steatohepatitis
Pneumonia
Thermophysical properties
Ultrasonic imaging
Ultrasonic testing
Ultrasound
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Summary:This paper reviews the basic imaging methods available using ultrasonic diagnostic equipment, including the pulse-echo method, beamforming for improving image resolution, and harmonic imaging using the nonlinearity of ultrasonic waves. Further topics discussed include the use of the pulse Doppler method in blood flow measurement, and the differential diagnosis of benign and malignant tumor via the contrast echo method using microbubbles. Of particular relevance, the characteristic ultrasound image features used to inform the diagnosis of pneumonia severity, which is important in planning the treatment of COVID-19 patients, are described. Finally, a bird's eye view of future trends in ultrasonic diagnosis is provided.
ISSN:1346-3969
1347-5177
DOI:10.1250/ast.41.845