Upper Gastrointestinal Tract Endoscopic Ultrasound
Endoscopic ultrasound (EUS) is the combination of ultrasound and endoscopy, which allows placement of high-frequency transducers close to the intestinal wall and adjacent structures. As EUS enters its third decade, it is used for locoregional staging of many upper gastrointestinal malignancies, including cancers of the oesophagus, stomach, duodenum, ampulla of Vater, extrahepatic bile ducts and the pancreas. There is also a role in the staging of lung cancer, assessment of benign gut wall tumours, inflammatory pancreatic disease and gall stones.
Fig.1: Toshiba PEF-708 with the Cook Echotip needle in the biopsy channel. The needle has been advanced by pushing the handle, which is secured to the biopsy channel inlet
This article was first published in the VISIONS, issue 3/2002, a publication of Toshiba Medical Systems
27.08.2007
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