Endoscopic Ultrasonograpy (EUS)
Diagnostic EUS
A tiny ultrasound transducer incorporated at the tip of the endoscope generates high-frequency sound waves, enabling the endoscopist to see into the bowel wall and look at surrounding organs such as the pancreas and bile duct with high spatial resolution.
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Interventional EUS
Interventional EUS applications include fine needle aspiration biopsy, pseudocyst puncture and drainage, and celiac ganglion blockade.
Echoendoscope used to perform interventional procedures. A biopsy needle projects from the instrumentation channel.
Needle entering into a pancreatic mass to obtain tissue for sampling.
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