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Role of contrast-enhanced harmonic endoscopic ultrasonography (EUS) and EUS elastography in pancreatic lesions

Masayuki Kitano|Yasunobu Yamashita
대한소화기내시경학회 (The Korean Society Of Gastrointestinal Endoscopy)|2024.03|Clinical Endoscopy|제57권 제2호|pp. 164-174|DOI 10.5946/ce.2023.074

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키워드

ElastographyEndosonographyContrast-enhanced endoscopic ultrasonographyPancreatic lesionStaging of pancreatic cancer
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초록

Pancreatic cancers have a poor prognosis, and their incident rates have risen. Endoscopic ultrasonography (EUS) is an efficient and reliable diagnostic modality for pancreatic lesions, providing high spatial resolution. However, while EUS helps to detect minor pancreatic lesions, nearly all solid pancreatic lesions are hypoechoic, which creates difficulty in making differential diagnoses of pancreatic lesions. When diagnosing pancreatic lesions, the performance of image-enhanced EUS techniques is essential, such as EUS elastography or contrast-enhanced harmonic EUS (CH-EUS). CH-EUS diagnosis is based on assessing the vascularity of lesions, whereas tissue elasticity is measured via EUS elastography. Elastography is either strain or shear-wave, depending on the different mechanical properties being evaluated. The usefulness of enhanced EUS techniques is demonstrated in this review for the differential diagnosis of pancreatic lesions, including solid and cystic lesions, and pancreatic cancer staging.

Abstract

Pancreatic cancers have a poor prognosis, and their incident rates have risen. Endoscopic ultrasonography (EUS) is an efficient and reliable diagnostic modality for pancreatic lesions, providing high spatial resolution. However, while EUS helps to detect minor pancreatic lesions, nearly all solid pancreatic lesions are hypoechoic, which creates difficulty in making differential diagnoses of pancreatic lesions. When diagnosing pancreatic lesions, the performance of image-enhanced EUS techniques is essential, such as EUS elastography or contrast-enhanced harmonic EUS (CH-EUS). CH-EUS diagnosis is based on assessing the vascularity of lesions, whereas tissue elasticity is measured via EUS elastography. Elastography is either strain or shear-wave, depending on the different mechanical properties being evaluated. The usefulness of enhanced EUS techniques is demonstrated in this review for the differential diagnosis of pancreatic lesions, including solid and cystic lesions, and pancreatic cancer staging.

참고문헌 (34)

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관련 논문AI추천

Contrast Harmonic Endoscopic Ultrasound in Pancreatic DiseasesJulio Iglesias-Garcia, Rafael Mejuto-Fernandez대한소화기내시경학회 · Clinical Endoscopy2021 · 제54권 제3호Current Status of Endoscopic Ultrasound Techniques for Pancreatic NeoplsmsHirofumi Kogure, Kazuhiko Koike, Naminatsu Takahara, Suguru Mizuno, Yousuke Nakai대한소화기내시경학회 · Clinical Endoscopy2019 · 제52권 제6호Clinical Role of Contrast-Enhanced Harmonic Endoscopic Ultrasound in Differentiating Solid Lesions of the Pancreas: A Single-Center Experience in Korea심찬섭, 이태윤, 천영국거트앤리버 소화기연관학회협의회 · Gut and Liver2013 · 제7권 제5호The Expanding Role of Contrast-Enhanced Endoscopic Ultrasound in Pancreatobiliary Disease서동완, 최준호거트앤리버 소화기연관학회협의회 · Gut and Liver2015 · 제9권 제6호Elastography of the Pancreas, Current ViewChristoph F. Dietrich, Michael Hocke대한소화기내시경학회 · Clinical Endoscopy2019 · 제52권 제6호Diagnostic Efficacy of Endoscopic Ultrasound Elastography in Differentiating Solid Pancreatic Lesions: A Single-Center ExperienceAhmed Mohamed El-Shamy, Ahmed Youssef Altonbary, Hazem Hakim대한소화기내시경학회 · Clinical Endoscopy2019 · 제52권 제4호

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