Gastric Cancer Staging by Endoscopic Ultrasound -- Contrast Enhancement and Real-Time Elastography

Abstract: Endoscopic ultrasonography (EUS) is the most efficient diagnostic method for local staging of gastric cancer, being able to differentiate between early and advanced primary gastric tumors with high performance rates. Although the accuracy of EUS for node (N) staging is lower than for the tumor (T) stage, ultrasound elastography could be used as a complementary method for the characterization and differentiation of benign and malignant lymph nodes in real time. EUS-guided fine-needle aspiration is indicated in gastric cancer if the positive result has a special impact on the clinical management of the patient. This article is part of an expert video encyclopedia.

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Keywords
Endoscopic ultrasound; Gastric cancer; Video; Endosonography

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