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Related Experiment Video

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Artifacts in Sonography - Part 3.

Jörg A Bönhof¹, Glen McLaughlin²

¹Praxis für Sonografie, Praxis Dr. Bönhof, Wiesbaden, Germany.

Ultraschall in Der Medizin (Stuttgart, Germany : 1980)

|June 8, 2018

Summary

This article details ultrasound artifacts, including those from B-mode, Doppler, and contrast imaging. Understanding these imaging artifacts is crucial for accurate diagnosis and effective sonography interpretation.

Area of Science:

Medical Imaging
Diagnostic Ultrasound
Radiology

Background:

Ultrasound artifacts can complicate image interpretation.
Previous parts of this series have covered foundational aspects of ultrasound artifacts.

Purpose of the Study:

To comprehensively discuss various ultrasound artifacts encountered in B-mode, Doppler, and contrast-enhanced sonography.
To highlight the mechanisms, implications, and diagnostic utility of these artifacts.

Main Methods:

Review and synthesis of existing knowledge on ultrasound artifact formation.
Categorization of artifacts based on imaging modality (B-mode, Doppler, contrast-enhanced).

Main Results:

Identified common artifacts like slice thickness, shadowing, and refraction, applicable across modalities.

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Detailed modality-specific artifacts: twinkling and aliasing in Doppler; leakage and pseudoenhancement in contrast imaging.

Demonstrated that artifacts, while challenging, can provide diagnostic clues.

Conclusions:

A thorough understanding of ultrasound artifacts is essential for accurate differential diagnosis.
Skilled interpretation of artifacts enhances the effectiveness of sonographic examinations.
Knowledge of artifact mechanisms aids in optimizing ultrasound imaging techniques.