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Article Synopsis
- This study focuses on the challenge of diagnosing gastrointestinal stromal tumors (GISTs), particularly those that are smaller than 20 mm, which are often categorized as subepithelial lesions (SELs).
- Researchers employed various endoscopic ultrasound techniques—specifically EUS elastography and contrast-enhanced harmonic EUS—to evaluate their effectiveness in distinguishing GISTs from other SELs.
- The results showed that combining EUS strain elastography with CH-EUS enhanced diagnostic accuracy, making these methods promising tools for the early identification of GISTs.
Endoscopic ultrasonography for microvascular imaging without contrast enhancement in the differential diagnosis of pancreatic lesions.
Dig Endosc
August 2024
Second Department of Internal Medicine, Wakayama Medical University, Wakayama, Japan.
Objectives: Detective flow imaging endoscopic ultrasonography (DFI-EUS) is a recent imaging modality developed for detecting fine vessels without the need for ultrasound contrast agents. The aim of the present study was to evaluate the utility of DFI-EUS for solid pancreatic lesions and to compare the diagnostic ability for pancreatic cancer (PC) between DFI-EUS, directional power Doppler (eFLOW) EUS, and contrast-enhanced harmonic (CH)-EUS.
Methods: Patients with a pancreatic lesion who underwent DFI-EUS, eFLOW-EUS, and CH-EUS between March 2019 and November 2023 were retrospectively enrolled.
Utility of Contrast-Enhanced Harmonic Endoscopic Ultrasonography to Diagnose Pancreaticobiliary Maljunction.
Dig Dis Sci
August 2024
Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, 589-8511, Japan.
Background: Detection of a common channel outside the duodenal wall is important in diagnosing pancreaticobiliary maljunction (PBM). The present study evaluated the utility of contrast-enhanced harmonic endoscopic ultrasonography (CH-EUS) in diagnosing PBM.
Methods: This single-center retrospective study enrolled 45 patients who were diagnosed with PBM or high confluence of pancreatobiliary ducts (HCPBD) between January 2007 and December 2021.
Contrast-enhanced guided endoscopic ultrasound procedures.
World J Gastroenterol
May 2024
Department of Gastroenterology, "Prof. Dr. Octavian Fodor" Regional Institute of Gastroenterology and Hepatology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca 400162, Cluj, Romania.
Contrast-enhanced endoscopic ultrasound (CH-EUS) can overcome the limitations of endoscopic ultrasound-guided acquisition by identifying microvessels inside inhomogeneous tumours and improving the characterization of these tumours. Despite the initial enthusiasm that oriented needle sampling under CH-EUS guidance could provide better diagnostic yield in pancreatic solid lesions, further studies did not confirm the supplementary values in cases of tissue acquisition guided by CH-EUS. This review details the knowledge based on the available data on contrast-guided procedures.
View Article and Find Full Text PDFRecent Advances in Endoscopic Ultrasound for Gallbladder Disease Diagnosis.
Diagnostics (Basel)
February 2024
Department of Gastroenterology and Hepatology, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8501, Japan.
Article Synopsis
- Gallbladder disease is categorized mainly into GB wall-thickening and protuberant lesions, which includes conditions like cholecystitis and GB carcinoma.
- Recent advancements in diagnosis focus on techniques such as endoscopic ultrasound (EUS) and contrast-enhanced harmonic EUS (CH-EUS) that effectively assess GB lesions.
- The review also discusses the role of EUS-guided fine-needle aspiration (EUS-FNA) and highlights the growing impact of artificial intelligence in diagnosing gallbladder diseases.
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