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Review
. 2021 Aug 23;10(16):3739.
doi: 10.3390/jcm10163739.

Recent Advances in Endosonography-Elastography: Literature Review

Akira Yamamiya  1 , Atsushi Irisawa  1 , Koki Hoshi  1 , Akane Yamabe  1 , Naoya Izawa  1 , Kazunori Nagashima  1 , Takahito Minaguchi  1 , Masamichi Yamaura  1 , Yoshitsugu Yoshida  1 , Ken Kashima  1 , Yasuhito Kunogi  1 , Fumi Sakuma  1 , Keiichi Tominaga  1 , Makoto Iijima  1 , Kenichi Goda  1
Affiliations
Review

Recent Advances in Endosonography-Elastography: Literature Review

Akira Yamamiya et al. J Clin Med. .

Abstract

Ultrasonographic elastography is a modality used to visualize the elastic properties of tissues. Technological advances in ultrasound equipment have supported the evaluation of elastography (EG) in endosonography (EUS). Currently, the usefulness of not only EUS-strain elastography (EUS-SE) but also EUS-shear wave elastography (EUS-SWE) has been reported. We reviewed the literature on the usefulness of EUS-EG for various diseases such as chronic pancreatitis, pancreatic solid lesion, autoimmune pancreatitis, lymph node, and gastrointestinal and subepithelial lesions. The importance of this new diagnostic parameter, "tissue elasticity" in clinical practice might be applied not only to the diagnosis of liver fibrosis but also to the elucidation of the pathogeneses of various gastrointestinal diseases, including pancreatic diseases, and to the evaluation of therapeutic effects. The most important feature of EUS-EG is that it is a non-invasive modality. This is an advantage not found in EUS-guided fine needle aspiration (EUS-FNA), which has made remarkable progress in the field of diagnostics in recent years. Further development of artificial intelligence (AI) is expected to improve the diagnostic performance of EUS-EG. Future research on EUS-EG is anticipated.

Keywords: autoimmune pancreatitis; chronic pancreatitis; endoultrasonography; gastro-intestinal lesion; lymph node; pancreatic solid lesion; shear wave elastography; strain elastography; subepithelial lesion.

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Conflict of interest statement

The authors declare no conflict of interest. Author Atsushi Irisawa is an Editor of this special issue in the Journal of Clinical Medicine.

Figures

Figure 1
Figure 1
Strain elastography.
Figure 2
Figure 2
Endosonography (EUS) elastography in chronic pancreatitis.
Figure 3
Figure 3
Endosonography(EUS) elastography in pancreatic ductal carcinoma.
See this image and copyright information in PMC

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