Abstract
Endoscopic ultrasound (EUS) was first introduced as a diagnostic procedure using radial array echoendoscopes and increasingly evolved to a therapeutic procedure that requires a linear array echoendoscope. Radial array echoendoscopes are largely used for cancer staging, evaluation of submucosal lesions, and for a morphologic assessment of the pancreas and bile ducts. Linear array echoendoscopes allow for tissue acquisition for cytology and histology, using different types of needles, as well as emerging applications such as augmented imaging techniques (e.g., elastography). The therapeutic capabilities of EUS include the placement of fiducials for stereotactic body radiation therapy, drainage of pseudocysts and walled-off necrosis as well as the gallbladder, creation of communications between different areas of the gastrointestinal tract, and pancreaticobiliary ductal system (e.g., excluded stomach in Roux-en-Y gastric bypass, enteroenterostomy, choledochoduodenostomy). This chapter will review the instruments and accessories that serve as the basis of modern EUS clinical practice.
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Brewer-Gutierrez, O., Singh, V.K. (2018). Instruments and Accessories for Endoscopic Ultrasound. In: Sridhar, S., Wu, G. (eds) Diagnostic and Therapeutic Procedures in Gastroenterology. Clinical Gastroenterology. Humana Press, Cham. https://doi.org/10.1007/978-3-319-62993-3_35
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DOI: https://doi.org/10.1007/978-3-319-62993-3_35
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