Refraction Artifact on Abdominal Sonogram

Overview

Journal J Med Ultrason (2001)

Specialty Radiology

Date 2021 May 22

PMID 34021821

Citations 3

Authors

Hiroko Naganuma

Hideaki Ishida

Atsushi Uno

Hiroshi Nagai

Masahiro Ogawa

Naohisa Kamiyama

Affiliations

Soon will be listed here.

Abstract

Ultrasonography (US) is the first-line diagnostic tool for observing the whole abdomen. Unfortunately, a wide spectrum of refraction-related artefactual images is very frequently encountered in routine US examinations. In addition, most practitioners currently perform abdominal US examinations without sufficient knowledge of refraction artifacts (RAs). This review article was designed to present many representative RA images seen in the clinical setting, with a brief explanation of the mechanism of these images, in certain cases through an analyzed and reconstructed method using computer simulation that supports clinical observations. RAs are encountered not only with B-mode US but also with Doppler US, contrast-enhanced US, and shear wave elastography. RAs change their appearance according to the situation, but they always have a significant effect on detailed interpretation of abdominal US images. Correct diagnosis of abdominal US relies on a deep understanding of each characteristic artifactual finding, which necessitates knowledge of basic US physics. When analyzing mass lesions, computer simulation analysis helps to reveal the global images of RAs around a lesion.

Citing Articles

Contrast-Enhanced Sonography of the Liver: How to Avoid Artifacts.

Naganuma H, Ishida H, Nagai H, Uno A Diagnostics (Basel). 2024; 14(16).

PMID: 39202305 PMC: 11353835. DOI: 10.3390/diagnostics14161817.

Hepatocellular Carcinoma in Non-Fibrotic Liver: A Narrative Review.

Naganuma H, Ishida H Diagnostics (Basel). 2023; 13(22).

PMID: 37998562 PMC: 10670297. DOI: 10.3390/diagnostics13223426.

Lung ultrasound in a nutshell. Lines, signs, some applications, and misconceptions from a radiologist's point of view.

Lyzniak P, Swieton D, Serafin Z, Szurowska E Pol J Radiol. 2023; 88:e294-e310.

PMID: 37404548 PMC: 10317011. DOI: 10.5114/pjr.2023.128866.

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