Endoscopic Ultrasonography in Rectal Cancer

Feb 19, 2020 by in GASTROENTEROLOGY Comments Off on Endoscopic Ultrasonography in Rectal Cancer

Key Points • The importance of nodal status guiding therapeutic decision-making is increasingly recognized for rectal cancer. • Endoscopic ultrasonography (EUS) fine-needle aspiration (FNA) is recognized as being an essential…

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EUS and EBUS in Non–Small Cell Lung Cancer

Feb 19, 2020 by in GASTROENTEROLOGY Comments Off on EUS and EBUS in Non–Small Cell Lung Cancer

Key Points • Endoscopic ultrasonography (EUS)-guided fine-needle aspiration (EUS FNA) and endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) are the techniques of choice in case mediastinal nodal sampling is indicated for…

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Principles of Ultrasound

Feb 19, 2020 by in GASTROENTEROLOGY Comments Off on Principles of Ultrasound

Key Points • Ultrasound is mechanical energy in the form of vibrations that propagate through a medium such as tissue. • Ultrasound interacts with tissue by undergoing absorption, reflection, refraction,…

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